19. Solve i*a + 5*g + p = 0, 5*a - g = 4*g - 5 for a.
-4
Let i be (-2*8/4)/(-1). Suppose i*u = -b + 11, 0*b + 11 = 5*b - 2*u. Solve 0 = -b*p - x + 3*x + 21, 5*x = p - 20 for p.
5
Let x(v) = v - 1. Let n be 2/(-1 - -2) + -1. Let l = n + 3. Let y be x(l). Solve -2*k + 9 = -3*g - 6, -4*k = y*g - 3 for g.
-3
Let u = -79 - -103. Solve -5*y + p = -y + u, -y + 2*p = 13 for y.
-5
Suppose v = -k + 4 + 5, k - 2*v = 18. Solve -7*d = -4*o - 3*d + 28, -2*o = -d - k for o.
5
Let l = -34 - -38. Solve 0 = a + 3*k - 4*k, -3*a = -2*k + l for a.
-4
Suppose 7*j = 25 + 3. Solve j*g + 0*v = -3*v + 3, 0 = 2*g + v - 1 for g.
0
Let q(i) = 2*i + 16. Let d be q(-5). Solve 5*a = -2*x + 17, d = 3*a - 9 for x.
-4
Let n(u) = -u**3 - 2*u**2 + 5*u + 8. Let j be n(-3). Solve 0 = -2*y - j - 0, 3*l - 2*y + 1 = 0 for l.
-1
Let o be 5 + -5 + -2 + 4. Solve -2*w - 31 = -0*w + 5*a, o*a - 2 = 4*w for w.
-3
Let a = 13 - 14. Let r be (1 - a)*-1 + 4. Solve r*p - 3*m + 18 = 0, 7*p = 4*p + m - 13 for p.
-3
Let y be (-6)/((-1)/(-3 + 2)). Let x be 3/((27/y)/(-3)). Suppose -4 = i, 3*r - x*i - 4 = 10. Solve 0*t = r*t - 2, -v + 2*t + 3 = 0 for v.
5
Let k(r) = -20*r - 56. Let c be k(-3). Suppose -3*f = -2*p + p - 43, 0 = -5*p + 25. Solve -c*s = -q + 4, -5*s - 2*q = -s + f for s.
-2
Let i be 9/12 + (-2)/(-8). Suppose -i = 2*g - 5. Solve g*s = -s - 4*m + 3, -s + 3*m = -1 for s.
1
Let i(b) = b**3 - 9*b**2 - 12*b + 24. Let p be i(10). Solve 2*z - 2*u = -5 + 1, -p*u + 10 = -3*z for z.
2
Let j(y) = -5*y + 6 + 5*y + y - 2*y. Let g be j(6). Solve g*b = 4*h + 2*b - 8, 5*h - 10 = 2*b for h.
2
Let f(z) = z - 2*z - 9 + 5*z - 7*z**2 - z**3. Suppose 2*b = 3*b + 8. Let r be f(b). Solve 5*k + 0*k + 29 = 4*q, -2*q - r = 5*k for k.
-5
Suppose 0 = -4*a + 12, 3*a - 6 = -3*n + 27. Solve 0 = -2*t - 2*w + n, 0 = -2*w + 6 - 2 for t.
2
Let f = 16 - -4. Suppose y - 6*y = f. Let t = -4 - y. Solve t = 3*p + 2*a + 2*a + 16, -5*a + 3 = -2*p for p.
-4
Let y be 1 - (-1 - (-1 + -2)). Let l be (-3 + 1 - -2)/y. Let b = 2 - l. Solve b*q - v = 5*q + 9, -1 = -2*q - 3*v for q.
-4
Let f(j) = 7*j + 374. Let p be f(-53). Let d = 45 - -17. Let b = d - 44. Solve 3*o - 3*a + 15 = -4*a, p*o = -2*a - b for o.
-4
Suppose 2*t + 4*b + 7 = -3, 25 = 3*t - 4*b. Solve u - 5*x = 0, -u + 0*u = t*x for u.
0
Let a(h) = -h**3 + 4*h**2 - 4*h + 1. Let j be a(3). Suppose d = -d + 8. Let c = d - j. Solve c = -o + 5*u, -5*o + 2*u = -3*u - 10 for o.
4
Suppose -j = -q, q - j = -4*q - 12. Let n be 0/q + 1*3. Solve -3*f = -n*r, 0*r - 4*f + 4 = -3*r for r.
4
Suppose -m - 3*v + 0 = -17, 2*m + 16 = 4*v. Let r(h) = -h**3 - 11*h**2 - h - 9. Let b = -29 - -18. Let s be r(b). Solve -s*q - n + 1 = 6, -m*n - 10 = 3*q for q.
0
Let y be (-75)/(-27) + (-4)/(-18). Suppose y*z - 2*j - 4 = z, 4*z - 15 = -3*j. Suppose -9 = -2*l - 3. Solve -2*g = -l*h - 0*g - z, 0 = g - 3 for h.
1
Let u = -43 + 59. Solve a = -5 + 1, 0 = -3*j - a - u for j.
-4
Let w(y) = -y + 3. Let l(d) = 1. Let i(x) = -4*l(x) + w(x). Let k be i(-3). Solve -11 = -2*h - 5*r, 13 = k*h + h + 4*r for h.
3
Suppose 6*z - 52 - 68 = 0. Solve -k - 2*k = 5*p + z, 4*k = 4*p - 16 for k.
-5
Let r(d) = d**3 + 5*d**2 + 2*d + 15. Let b be r(-5). Solve -b*q = -4*g + 2, -2*q + 0*q + g + 1 = 0 for q.
2
Suppose -7*i + 2*i = -90. Suppose 3*h - s = i, 0*h + 2*h = 2*s + 16. Suppose 16 = h*l - 9. Solve 3*w + 4*o + l = -3, 0 = 5*w + o + 19 for w.
-4
Let v = -56 - -58. Solve -8 = -5*h + 4*s, -5*h - 3*s = -v*h + 6 for h.
0
Let w be (-5)/10*1*-2. Let y be (-3 + w)*(-14)/4. Solve -2*z + 3*l = -y, 2*l + 1 = 5*z - 0 for z.
-1
Let x(d) = d**3 + 3*d**2 - 4*d + 3. Suppose -5 = -2*c - 13. Let f be x(c). Solve 0 = 3*q + 5*k - 10, -f*k + 14 = 3*q - 2*k for q.
5
Let o be 72/20 + 8/20. Solve -j + c = o*j - 25, -j + 5 = -2*c for j.
5
Let x(q) = -2*q**2 + 9 + q**2 - 4 - 2*q - q. Let v be x(-4). Solve 5*c + b + 2 = 0, v = -b + 4 for c.
-1
Suppose -2*w + 5*w = 18. Suppose -6*n = -7*n + 28. Solve 5*s + n = -4*t, 4*t - w*s = -s + 12 for t.
-2
Let h be 15*(-6)/(-15) + -1. Suppose -a = -6*a. Let m = 5 + a. Solve -4*g - w = 0, 10 = 5*g + m*w - h for g.
-1
Let u be (2 - 1) + 4 + -3. Let y(c) = -5*c - 4. Let z be y(-4). Suppose 0*s - z = -4*s. Solve s*p - 26 = -6, -p + u = 3*b for b.
-1
Let j be 4/2*2/4. Let o be 1*j/(-1) - -1. Solve o = -3*u + a - 11, -u + 4*a = -0*u + 11 for u.
-3
Let b(a) = -4*a + 2 + 6*a + 4*a - 3*a. Let m be b(2). Solve m*l + 32 = -5*v + 4*l, 0 = -l - 3 for v.
-4
Suppose 4*l + 0 - 12 = 0. Solve -2*s = 3*y + 2*s - 14, -5*y - l*s + 16 = 0 for y.
2
Suppose -5*s + 10*s = 25. Solve d + 0*d = -4*b - 15, b + s*d = 20 for b.
-5
Suppose 3*r + n = -23, -6*r + n - 26 = -2*r. Let x = -5 - r. Solve 0 = 3*y + p - 3*p - 4, -3*y + 20 = x*p for y.
4
Suppose 41 + 49 = 3*i. Let s be (12/(-18))/((-4)/i). Suppose 0*h + h - 20 = 0. Solve -29 = s*z - 4*w, 0*z - 3*z + 5*w = h for z.
-5
Suppose 0 = h - 5*a - 22, h = -h - 5*a - 16. Suppose -3*o = -3*p - o + 11, -h*p + 11 = -5*o. Solve 4*l = i - 1 - 7, 0 = -4*l - p*i - 8 for l.
-2
Let d(y) = -y**2 - 5*y + 4. Let s be d(-5). Solve -j = -s*o + 13, 5*o - 3 = 3*j + 22 for j.
-5
Let c = -1 - -17. Solve 4*w - 20 = -k, -2*k = 2*k - c for w.
4
Suppose -5*o - 4*o = -63. Solve -k - 3*u - o - 2 = 0, 15 = -5*u for k.
0
Let k = -35 + 37. Solve 0 = -5*m + 2*h + k*h - 4, -28 = 5*m + 2*h for m.
-4
Suppose -x + 6 = -2*g, 3*x - 2 = 5*x + 3*g. Solve 2*r = -0*r, 2*h - x*r - 8 = 0 for h.
4
Suppose -v = 2*v - 9. Let r = v + -1. Solve 5*j + 20 = -0*p - 5*p, r*p - 2*j = -8 for p.
-4
Let d be (84/(-15))/(2/(-20)). Let o be d/9 + 2/(-9). Solve 0 = -4*u - 0*r - 2*r + o, r = 3*u + 8 for u.
-1
Let c(w) = w + 2. Suppose -2*q = 5 + 5. Let o be c(q). Let t be o*(-3 - -2) - 1. Solve -2*l + 4*l = 3*p + t, 5*p = 3*l - 2 for l.
4
Let l(i) = 0*i + 0*i + i**3 - 9*i**2 + i - 5. Suppose -4*z = -0*z - 36. Let u be l(z). Solve x + u*a + 6 = -15, -3 = -x + 2*a for x.
-5
Let s(x) = x**3 - 8*x**2 + 8*x + 6. Let j be s(7). Let l = 3 - j. Let v be l/((0 + 1)*-2). Solve -u + 0*m + 5 = 3*m, -5*m = 5*u - v for u.
-1
Suppose -3*y - 5*i - 17 = -4, -i = 4*y + 23. Let v(l) = l + 9. Let c be v(y). Solve 0 = 4*b + z + 11, -z + c = -b - 6 for b.
-4
Suppose -3*b = 2*f - 3, -f - 2*b + 5*b + 6 = 0. Solve 2*g = 0, h + 0 = -f*g - 2 for h.
-2
Suppose 0*f + 21 = 3*f. Suppose 6*r + 21 = 2*z + r, 3*r + 9 = 0. Solve z*h - 3*m - 2 = f, -3*h - 31 = 5*m for h.
-2
Suppose 5*x - 8 = x + 2*g, -4*x + 2 = g. Let n be (-26)/(-8) + x/(-4). Suppose -w + 8 = n*w. Solve -v - 2*b = -5, -w*v = -5*b + 8 + 18 for v.
-3
Let g be 46/10 - (-9)/(-15). Solve 2*n = -4*b - 24, g*n - 4 = -2*b + 7*b for n.
-4
Let l be (-1)/(-2)*12/6. Let y be -1 + l + 2 + 1. Let r = 3 + -1. Solve -2*j = -3*z + 13, -j - y = r*j + z for j.
-2
Let m be (-21)/(-4) + (-2)/8. Let l = 10 + -7. Suppose -4*t + 3*u = 8, l*t - 2*u - 7 = -3*u. Solve m*g + 2*y = t, 6*g - 2 = 5*g - y for g.
-1
Let j = 66 + -62. Solve -3*s + 5 - j = -v, 0 = -2*v - s + 5 for v.
2
Let b be 0*(-2)/(0 + -2). Suppose b = -5*r + 11 + 14. Solve -w + 0*o - 3*o - 6 = 0, r*w - 2*o = 21 for w.
3
Let q(w) = w**3 - 7*w**2 + 6*w. Let v be q(6). Suppose 3*h + 6*b - 2*b - 8 = v, -4 = -2*b. Solve h = -4*p - s + 8, -5*s = -4*p - 1 + 9 for p.
2
Let b be -12*4*(-2)/12. Let g be 1/(-3) - (-107)/(-3). Let m be 2/4*g/(-6). Solve -b = -4*h - 4*x, 3*h - m*x = -x + 6 for h.
2
Let v(m) = -2*m + 17. Let f be v(6). Solve p = z, -p = -f*p - 4*z - 40 for p.
-5
Suppose -14*s + 11*s = -9. Solve 4*w = -2*h - 2, 6*h - 11 = s*h + w for h.
3
Suppose 2*h - 12 = 4*q, 0*h - 6 = -h + q. Solve -4*s - 18 = -2*o, -3*o + h*o = -5*s + 5 for o.
5
Let f be (-10)/(24/6 - 6). Solve -5*x = 2*c, f*x = 2*c - c - 15 for c.
5
Let v = -7 + 8. Let d(r) = 3*r - 1. Let x be d(v). Solve 5*m - 15 = 5*a, -x*m + 4*a + 28 = -6*m for m.
-2
Suppose 0 = -0*y + 5*y. Suppose 4*x + 6 - 22 = y. Suppose z - 15 = -x*z. Solve -11 = -u - z*q, -3*u - 2*q + 21 = q for u.
5
Let a(j) be the first derivative of -2 + 3*j - 7/3*j**3 - 1/2*j**2 - 1/4*j**4. Let k be a(-7). Solve 3*b - 2*b - 4*f - 7 = 0, -5*f = k for b.
-1
Let f = -11 - -2. Let h(a) = -a - 6. Let w be h(f). Suppose 0 = -c + w*c - 4. Solve -c*s - d = 8, -s + d - 3 = 4 for s.
-5
Let z be (0 - -1 - 0)*-11. Suppose 140*g - 136*g = -84. Let o = z - g. Solve i = -5*x - 0*i + 22, 2*x + i = o for x.
4
Suppose -c + 4*f - 17 = -2*c, 1 = 2*c - 3*f. Solve 2*k + c = 3*m, -k - 2*m