19. Solve 28 = -i*a + 22 for a.
-1
Suppose -2*r = 4*i - 12, 2*i + r + 3*r = 0. Suppose -c + 7 = 3*g, -3*c - i*g = -23 + 2. Suppose c - 3 = t. Solve 2*f - t = -2*f for f.
1
Suppose 120*z = 6*z + 1710. Solve 24*j + 9 = z*j for j.
-1
Let s be ((-4032)/1120)/((-2)/25). Solve s*q - 46*q = 0 for q.
0
Let y = 8024 + -8022. Solve -y*g = 8*g + 50 for g.
-5
Let l = -4384 + 4387. Let v be 20 + (-1 + -1 - -1). Suppose -l = -h + v. Solve 4*q - h = -2 for q.
5
Let h(p) = p - 1. Let d be h(5). Suppose -5*j - 2*b + 1 = -3, 0 = 2*j - 5*b - 48. Solve -g = d - j for g.
0
Let i be ((-8)/6)/((-12)/(-54)). Let r be (i/(-8))/(4/16). Suppose 646 - 574 = 6*p. Solve -p = -r*g - g for g.
3
Let n = 6340 + -6307. Solve -12*t = n*t - 225 for t.
5
Suppose -83*z = -89*z + 54. Suppose -z*a + 21 - 3 = 0. Suppose -2*k + q + 9 = 0, -k = -5*k + 3*q + 15. Solve k*o = a*o - 20 for o.
-5
Suppose 0 = 87*n + 563 - 1049 - 2994. Solve n*d - 111*d = -71 for d.
1
Let b(o) = -2*o**3 - 93*o**2 - 511*o + 19. Let n be b(-6). Solve -153 + n = 8*p for p.
2
Let o(m) = -m**2 + 10*m - 14. Let f be o(7). Let b = f - -3. Let k be ((-1)/(5/6))/((-3)/b). Solve k*a + 12 = a for a.
-4
Suppose -315 = -4*l + n, 11*l + 405 = 16*l + n. Solve 23*q + 342 = l*q for q.
6
Let m = 13 + -8. Let k = -26 + 41. Let x(v) = 205*v + 4310. Let b be x(-21). Solve b = m*s + k for s.
-2
Suppose -3*j = -7*t + 3*t - 784, 0 = 4*t + 16. Let a = 266 - j. Solve -k = k - a for k.
5
Suppose -11*u + 39*u - 18802 = 14*u. Solve 8 = 1351*s - u*s for s.
1
Suppose 7*f - 4021 = -5*x, 25*x - 24*x = 4*f + 842. Solve -13*m + 892 = x for m.
6
Let q(g) be the second derivative of g**4/12 - g**3/3 + g**2 - 9*g. Let a be q(1). Let j be a - 4/(-4 + 8). Solve j = -4*u + 4 for u.
1
Let l = -250 - -672. Let f = 426 - l. Let v = 1 + 2. Solve -k + v*k + f = 0 for k.
-2
Suppose -4*o - 3*z + 103 = -0*z, -70 = -3*o + 5*z. Suppose o = 5*r, -5*c - 1 + 31 = 4*r. Let f be ((-162)/(-4))/9*2/3. Solve -c*j + 2 = -f*j for j.
-2
Let g be ((-18)/2)/((-111)/(-740)*-20). Solve -g*q = 8*q + 77 for q.
-7
Suppose 2*b - b + 4*w = -14, 9 = -3*w. Let z(j) = 0 + j - 2*j**2 + 1 - 3 + 1 - 2*j**3. Let f be z(b). Solve k = f*k for k.
0
Suppose -k = -5*t + 131, 37 = -5*k + 7. Solve -25*u + t = 75 for u.
-2
Suppose -40 = -5*n - 95. Suppose -u + 3*u = 8, 2*u = 3*b + 20. Let w be ((-33)/n)/((-3)/b). Solve w*i = -4 - 16 for i.
-5
Let f be (-18791)/(-215) + 4/(-10). Solve 0 = -f*y + 74 + 13 for y.
1
Suppose -132 = -135*m + 91*m. Solve -4*t + 28 = m*t for t.
4
Suppose -11*t + 308 - 65 + 87 = 0. Solve -t = 33*m - 48*m for m.
2
Suppose 0 = 93*p - 68*p. Solve p = -4*v - 18 + 6 for v.
-3
Let k(f) = 5*f - 68. Let o be ((-108)/24)/(6/(-20)). Let b be k(o). Solve -11 + b = -2*w for w.
2
Let t(m) = 62*m**2 - 37*m - 199. Let p be t(-6). Solve -p + 2253 = r for r.
-2
Let l(m) = -17*m - 185. Suppose 0 = 129*y - 123*y + 66. Let t be l(y). Solve 0 = -3*p + t + 10 for p.
4
Suppose -62*g + 60*g - 36 = 0. Let h(r) = r**3 + 14*r**2 - 71*r + 19. Let f be h(g). Suppose -3*y - 1 = -13. Solve p + y = -f for p.
-5
Let v be 4/(2/1) + 19. Let w = v + -16. Suppose -2*o + o + 2*u = w, -4*o + 15 = -u. Solve o*g - g + 20 = 0 for g.
-5
Suppose -5*f = -q - 392 + 782, -5*q + 5*f = -1930. Solve 0 = q*k - 399*k + 14 for k.
1
Suppose -2*p + d + 3 - 4 = 0, -3*d + 17 = p. Suppose 4*o - 79 = -2*t + t, 3*o - p*t = 51. Solve 4*a + 7 = o for a.
3
Let l(w) = 299*w + 2414. Let k be l(-8). Solve 0 = 7*t - k*t for t.
0
Let t = -16 + 24. Suppose 2*n - 58 + t = 0. Suppose 5*c - 45 = 4*l, -c + l + n = -3*l. Solve 0*s = -5*s + c for s.
1
Let i(h) = 4*h**3 + h**2 + 5*h - 6. Let n be i(1). Let v be 6 - 3/(n*18/96). Solve 18 = 8*c - v*c for c.
3
Suppose -t + 2*d = 5 - 3, -5*d = -3*t - 5. Suppose -4*r = 5*z - 25, -3*r - 11*z + 18 = -8*z. Suppose -4 = -r*w + w. Solve 0 = -n - t - w for n.
-1
Let x(y) = 220*y + 6624. Let q be x(-30). Solve q*z - 41 = -17*z for z.
1
Let z(n) = 14*n + 1. Let s be z(1). Let u = 1325 - 1324. Let m be (s + 5 + -4)/(1 + u). Solve v - 3*v = m for v.
-4
Suppose -586 = 5*b + 184. Let x = -150 - b. Solve x = -k - 0*k for k.
-4
Suppose 4*t = -4*q + 4, 2 + 4 = 3*t + 2*q. Let u(x) = -46 - 4 - 4 - 27 - 15 - 48*x. Let z be u(-2). Solve z = -h - t for h.
-4
Let h be -50*(-16)/20*2/4. Let f(u) = 8*u - 151. Let k be f(h). Solve -k*y + 12*y + 9 = 0 for y.
-3
Let j(y) = -y**3 + 14*y**2 - 16*y - 3. Let n be j(13). Let m be n/70 + 3/5. Solve b = -m - 4 for b.
-4
Let y(n) = n**2 - 4*n**2 - 3 + 8*n + n**2 + 7. Let s be y(4). Suppose 3*g - 2 = -s*f, -2*f - 3*f - 3 = g. Solve -g*o + 0*o = 0 for o.
0
Let u = -19 - -35. Suppose -5*v + 9 + u = 0. Suppose 3*w = 2*d - 5, 4*d - 10 = -d + v*w. Solve -d = -2*y + 3 for y.
2
Suppose 0 = 29*d + 39*d - 136. Suppose -z + 1 = 4*l + 17, -2*z + 8 = -d*l. Solve z = 6*k - 11 - 1 for k.
2
Let y(k) = -57*k**2 + 2*k**3 + 24*k**2 - 8*k + 27*k**2 + 11. Let l be y(4). Solve -l*m = -6*m + 5 for m.
-1
Suppose -5*m + 20 = -m. Let j be (12/(-7))/4 - 360/(-105). Suppose -15*b + 243 = j. Solve -m*s - b = -s for s.
-4
Let w(u) = u**2 + 13*u + 2. Let t be w(-13). Suppose t*k = -k + 18. Let m(b) = 7*b - 58. Let l be m(9). Solve h - k*h - l = 0 for h.
-1
Let s = 7 - -11. Let d be (8/6)/(s/27). Solve m + d = -0*m for m.
-2
Let f(z) = z**3 + 3*z**2 - 4*z - 1. Let l be f(-3). Let s = 11 + -6. Suppose 2 - 7 = -s*u. Solve -l = 5*i - u for i.
-2
Let k = 105 - 102. Suppose t = 5, -4*y + 2*t + 1 = k. Solve y*f - 4*f + 6 = 0 for f.
3
Suppose 0 = -0*y - 4*y. Suppose -r + 21 = 4*u, -2*u + 3*u - 2*r - 3 = 0. Let b be (-2 + u - 3)/4. Solve y = -b*k - 4*k + 12 for k.
3
Let j(x) = -x**2 + 26*x - 69. Let g be j(23). Suppose a + 5*o + 17 = g, -18 = -5*a + o + 1. Suppose -2*i + 20 = 3*i. Solve -a = -i*u + 13 for u.
4
Let g(f) = 2*f**3 - 8*f**2 - 8*f - 6. Let v be g(5). Solve -v = 11*q - 12*q for q.
4
Suppose 0 = -2*t + 2*k + 14, 2*t = 7*t - 2*k - 29. Suppose -7 = 6*y - t*y - v, y = 3*v - 9. Let s be (-2)/5 - y/15. Solve -f + 3 + 2 = s for f.
5
Suppose -5*s = -4*s - 24*s. Suppose s = a - g + 5*g, g = 3*a. Solve 6*z - 9*z + 15 = a for z.
5
Suppose -2*f - f - 2*q + 82 = 0, 0 = 5*f + q - 146. Suppose -5*d = -f - 30. Solve d = -j - 3*j for j.
-3
Let f(j) = 7*j**2 - 3*j - 4. Let w be f(3). Suppose 0 = w*c - 53*c. Solve 2*d + c*d - 8 = 0 for d.
4
Let q(w) = -7*w + 33. Let r be q(4). Suppose 3*k - 5*u - 36 = 0, 22 - 2 = 5*k + r*u. Solve 3*v - 16 = k*v for v.
-4
Suppose 1443 + 2643 = 135*z + 441. Let p be ((-23)/(-2))/(1/2). Solve -z*w + p*w = -16 for w.
4
Let l be (1792/(-80))/28 - (-8)/10. Solve -4*b + 89 - 109 = l for b.
-5
Let r be (-3)/105*7 + (-222)/(-10). Suppose 2*a = -2*t + r, a + 2*a - 15 = 0. Suppose 2*h = -0*h. Solve -3*y = -h + t for y.
-2
Let t be (2/8)/((-10)/(-18280)). Let q = 457 - t. Solve -23*j + 22*j - 1 = q for j.
-1
Suppose -10*r + 28 = -2. Suppose -r*f + 4*u = -23 - 7, 0 = 5*f - u - 50. Solve 0*q + 2*q = -f for q.
-5
Suppose -4*l + 4*c + 28 = -c, 2*l - 12 = 2*c. Let z(m) = m - 5. Let u be z(-3). Let a = u - -14. Solve 4*b + a = l*b for b.
-3
Let x(z) = z**3 + 3*z**2 - 2*z - 4. Let j be x(-3). Suppose -18*k = j*k. Solve k = -0*n - n for n.
0
Let t(a) = 5*a**2 - a - 298. Let g be t(11). Solve -20*y + 57*y = -g for y.
-8
Let p = -119 + 156. Suppose -2*r = 4*t - 4, 4*t + p - 41 = -3*r. Solve -6*b - 2 + 2 = r for b.
0
Let b(g) = 4*g**3 - 12*g**2 - 2*g. Let t(h) = h**3 - h**2 - h. Let d(w) = b(w) - 3*t(w). Let u be d(9). Solve u*y + 5 = -22 for y.
-3
Let r = -32 + 64. Let p = r - 86. Let x = -46 - p. Solve x = -k + 5*k for k.
2
Suppose -g = 10*g - 33. Let t be 15 + 5 - 0/3. Suppose 6 = 2*l + l. Solve g*r + l*r = -t for r.
-4
Let i(c) be the second derivative of 5*c**4/6 + c**3/3 - c**2/2 + 212*c + 2. Let l be i(-2). Solve -l*f + 41*f = -6 for f.
-1
Let b = -18682 + 18734. Solve -b = -16*n - 36*n for n.
1
Let h = -17218 + 17256. Solve 10*c + h - 18 = 0 for c.
-2
Let a = 2854 + -2841. Solve 0 = a*k - 14*k - 5 for k.
-5
Let c(f) = 13*f**2 + 2*f + 2. Suppose -4*z - 4 = -2*z. Let q be c(z). Let v = -45 + q. Solve 0*j + v = 5*j for j.
1
Let g(h) = -h**3 + 13*h**2 - 15*h + 38. Let z be g(12). Suppose z + 84 = 5*s + 2*c, 63 = 3*s + 5*c. Solve 0 = 19*f - s*f for f.
0
Suppose 64*y = 140 + 884. Solve -17*c + y*c = 2 for c.
-2
Suppose -5*y - 3*k + 19 = 0, -12*y + 2*k + 2 = -8*y. Let p(i) = 2*i + 1 + 2 - 9 - 3*i**2 + 2 - i**3. Le