 18. Solve -d + 4*o + 9 = 0, o = -5*d - v*o - 1 for d.
1
Let b = -400 - -412. Solve -5*y - 4*j = b + 9, 5*y - 4*j + 29 = 0 for y.
-5
Let h be -8*(-70)/80 + (-6 - 0). Solve -5*u = 2*s + 7, -2*s + 3 = -4*u + h for u.
-1
Suppose -3*k - 11 = -3*z - 4*k, -5*z = -3*k - 9. Solve -2*u + t + 3 = 0, -3 = -3*u + z*t + 6 for u.
0
Let c be (14/(-3))/((-6)/9). Solve 5*a + q - 2*q = c, 5*q - 17 = -a for a.
2
Suppose -20 = -4*j - 2*x, -4*j - 122 + 142 = x. Suppose -2*d = -5*u - 30, -76 = -4*d + 2*u - 0*u. Solve 3*m - 2*w = -m - 6, 0 = 5*m - j*w + d for m.
1
Suppose 9 = 1000*g - 997*g. Solve 5*y + g*l = -l + 21, 4 = l for y.
1
Let r(h) = 3*h**2 + h + 1. Let p be (2 - 1)/((-2)/4). Let b be r(p). Solve 5*y = 5*n + 1 - b, 0 = -3*n + 3 for y.
-1
Suppose 10*v - 14 = 6. Suppose -4*a = -c + 13, 4 = -v*c - 4*a + 2*a. Solve -3*u - 1 = 5*z + 1, -2*z = u + c for u.
1
Let r be (-28)/(-13) + 50/(-325). Solve 2*d - q - r = 0, -d + 3*q - 8*q + 1 = 0 for d.
1
Let r(v) = 4*v**2 + 51*v - 66. Let n be r(-14). Solve -x + 18 = 2*q + n*x, -2*x + 4 = 0 for q.
4
Let l be 1*1/((-3)/(-9)). Let d be l/(-2)*(-104)/39. Suppose -g + d = -0*g. Solve 5*h - s = -2*s + 10, g*s - 6 = -3*h for h.
2
Let t = -164 + 164. Solve t = 3*o + 2*x + x - 3, 3 = 3*o + 5*x for o.
1
Let d = -6 - -13. Suppose -4*z - 4*u + 27 = -d*u, 60 = 5*z + 5*u. Let l = z + -9. Solve l = 5*j - 3*c - 25, 0 = 2*j - 4*j - 3*c - 11 for j.
2
Suppose -3*x + 8*x = 15. Suppose 5*j = -q + 5, -x*q - j - 5 + 20 = 0. Solve q + 7 = -4*s, -5*s - 7 = 2*h for h.
4
Let c be 80/(-8)*(8 - -2). Let q = 102 + c. Solve -i = 0, 0 = q*l + 2*l - 5*i for l.
0
Suppose 3*a + 3*s = 24, 4*s = -14*a + 11*a + 27. Solve a*r + 10 = -5*n, -r - 10 = -n - 6*r for n.
-5
Suppose 0 = -93*i + 239 + 40. Suppose 2*y + 0 - 8 = 0. Suppose -4*x - 3*c = -23 + 2, -5*x = -4*c - 3. Solve i*w = -3*b + 6, -2*b + x = -3*w + y for w.
1
Suppose 0 = -s - 2*a + 9, 2 + 13 = s - 4*a. Suppose 90 = -s*c + 13*c. Solve 4*f = 2*v - 17 + c, 41 = -4*v + 5*f for v.
-4
Let u = -72 + 86. Solve c - 3*s - u = -0*s, -16 = 4*s for c.
2
Let o(z) = -z**2 + 2*z - 1. Let a be o(1). Suppose -6*t + 5*t + 10 = a. Solve 2*w = 5*j - 14, -2*j + 2*w = -t + 2 for j.
2
Let r = 642 - 640. Solve 5*q - w = -r*w + 17, 4*w - 14 = -2*q for q.
3
Let q(b) = -b**3 + 10*b**2 + 11*b + 4. Let w be q(11). Solve 6*s = -f + s - 22, w*f - 2*s = 22 for f.
3
Suppose 3038*g = 3037*g + 4. Solve 0 = 2*z + 2*k + 8 - 6, -3*z - 2*k = g for z.
-2
Let z(u) = -u**3 + 3. Let m(n) = -n**2 - 10*n - 11. Let j be m(-9). Let t be j/(-5) + 6/(-15). Let y be z(t). Solve w - 2*r - 6 = 0, 3*w = y*r + r + 12 for w.
0
Let g = -45 + 39. Let y be 0 + (-1 - (g - -3)). Solve -3*u + 8 = -4*h, 0*h - 4*u = -y*h - 4 for h.
-2
Suppose -3*d = -14 + 11. Solve 2*i = z + 2, -z - 2*i - d = -3*i for z.
0
Let t be 3*(-352)/12*(-4)/16. Let g be 242/14 - (-2)/(-7). Let w = t - g. Solve -b = -2*b - w, -l - 18 = 4*b for l.
2
Suppose 45 = -2*s + 53. Solve 10*h + s = 9*h + 4*b, -b - 10 = -3*h for h.
4
Suppose 5*c = 3*c + 4. Suppose 4*h = -4*v + 36, 0 = 5*v - 2*h - c*h. Suppose b + 1 = 0, 0*b - 85 = -v*a + 5*b. Solve -a = 5*l, 5*u = u - 5*l - 4 for u.
4
Let o = -774 + 779. Solve 5*p - o*c + 22 = -2*c, p + 6 = c for p.
-2
Suppose -471*y + 473*y = 6. Solve 4*w - 2*c + 30 = y*c, 2*w = -5*c for w.
-5
Let w = -9 + 9. Let p be 6 + w + (-9)/3. Suppose 7*l = p*l + 24. Solve 3*d = -4*m - l, 2*d + m - 4 = 4*d for d.
-2
Let j(c) be the first derivative of -c**2/2 - 5*c + 14. Let r be j(-9). Solve r*x - 3*y - 4 + 1 = 0, 5*x + 5*y = 30 for x.
3
Suppose -6*v = -7*v - 14. Let m(u) = u**2 + 15*u + 16. Let n be m(v). Solve -9 = -5*d + 2*d - 5*l, 0 = -3*d - n*l for d.
-2
Suppose 0 = 4*u + 33 - 57. Solve -3*c + i = u*i + 30, 0 = 5*i + 15 for c.
-5
Let l = 97 + -124. Let y = -23 - l. Solve 5*v = -4*d - 29, 0 = 2*d + y - 2 for v.
-5
Let f(g) = 2*g**2 + 12*g + 20. Let s be f(-2). Solve -s*t + t = -2*d, 2*d - 14 = -4*t for t.
2
Suppose -9*k + 4 + 77 = 0. Suppose -12*j + k + 15 = 0. Solve 2*l - 2*b = l + 2, 2*l = b - j for l.
-2
Suppose -4*z = 3*t - 10, 2*z = 4*t - 7 + 1. Solve l - t*q - 3 = 0, 2*q + 4 = 2*l - 2 for l.
3
Let n(v) = -15 - 4 - 7*v - 5. Let z be n(-6). Solve 2*l + 2*a - z = 0, 4*l - l = 5*a - 5 for l.
5
Let a = -47 - -47. Suppose -5*k - 4*y + 6 = -2*y, 5*k + 12 = 4*y. Suppose k = -3*u - a + 9. Solve -3*d - 3*w = 6, -4*w - 4 = -u*d + 4 for d.
0
Let n be 1/(3/(8 - -31)). Solve f + p = 5, 3*p - n = -5*f + p for f.
1
Suppose -15 = -2*v - 5. Suppose 12 - 27 = -v*t. Solve 4*c = a - 12, t*a = 5 + 7 for c.
-2
Suppose -3*l + 5*o + 7 + 2 = 0, -5*l = -3*o - 15. Let a(g) = l + 0 + 1 + g**2 + 2*g - g. Let n be a(0). Solve -4*w - 12 = 4*j, 0 = n*w - j + 16 - 4 for w.
-3
Let g = -148 - -152. Suppose q = 4*c + 4*q - 21, -g*q - 16 = -2*c. Solve t + 2 + 2 = -5*y, t - c = 5*y for t.
1
Let j(s) = s**2 - s + 1. Let k(w) = w**3 + 9*w**2 + 13*w - 13. Let t(r) = -2*j(r) - k(r). Let q be t(-10). Solve 4*h - 7 = -3*b, -2*h + q = 2*b + 3*b for b.
5
Let u be (-2)/(-11) - (-1660)/913. Solve u*x + 6 = -3*a - 1, 2*a = -6 for x.
1
Let x be 102/(-10) - 12/(-60). Let n(f) = -f - 7. Let d be n(x). Suppose -4*t + y + 93 = -4*y, d*t - y = 67. Solve -3*g = -4*g - 3*b + 2, t = -5*g + b for g.
-4
Let b(x) = -x**2 - 5*x + 8. Let p be b(-6). Suppose -p*t + 22 = -5*c, 36 = 5*t - 2*c - c. Solve -5*v = -2*i + t, -v - 3*i - 2*i = 12 for v.
-2
Let u(i) = 3*i + 130. Let a be u(-35). Solve -3*y - 2*y = -b + 17, 3*b + 4*y = -a for b.
-3
Suppose 10 = -6*a + a. Let f be (-5)/(-10) + a/4. Solve f = 4*w + 20, 0*k - k + 3*w = -11 for k.
-4
Suppose 4*n + 71 = -25. Let w = -22 - n. Let o = 1 + -1. Solve o*z - 3*z = 2*a + 4, w*z = -8 for a.
4
Let x be 6/4 + 3/(-6). Suppose x - 6 = -c. Let p = 423 + -399. Solve 0 = 3*i + 3, -c*w - 1 = -3*i - p for w.
4
Let q be (12 - 22)/10 - -8. Solve -z + k + 5 = 0, -5*k + q = 4*z - 4 for z.
4
Suppose -5*p - m = -24, m = -9*p + 64 - 20. Solve -b = 3*j + 2*j - p, -5*b - 3*j - 19 = 0 for b.
-5
Let l(m) = m**2 + 5*m - 10. Let k be l(-7). Let w(x) = -60*x + 730. Let a be w(12). Solve -2*p - k + 2 = -o, 4*o + a = 2*p for p.
-3
Let g(k) = 20*k**2 + k + 1. Let f be g(-1). Suppose -c + 5*s = -5*c + 33, f = 4*s. Solve -4*o = 3*i - 2 + 3, c*i + 8 = o for i.
-3
Suppose -167 = -3*d - 4*l, 0 = -2*d - l + 137 - 29. Let w = d - 50. Solve 16 = -3*c - w*j + 2*j, 0 = -3*c + 4*j + 4 for c.
-4
Let w be (-14)/2*12/(-42). Let l(c) = c**2 + 8*c + 6. Let t be l(-5). Let x be -3 - (0 - t/(-3)). Solve -d = -w*g - 6, 3*g - 5*d + 2 = -x for g.
-4
Let d be -7 + 8 + 2 - (-1 - -1). Solve 0 = 4*o - d*a + 5*a - 12, 3*a = o - 3 for o.
3
Let z(b) = b**2 - 5*b + 1. Let f be z(6). Let n = f + -1. Let t be 2*(-1 + (n - 4)). Solve 5*y = -4*i + 16, t*i - 4*i - 3*y = -8 for i.
4
Let b = 60 + -38. Let l = -17 + b. Solve -3*r + 22 + 3 = 5*s, l*r = 3*s + 19 for s.
2
Let l be ((3 + -7)/(-4))/(3/18). Solve -2*p + l = 0, -5*g - 2*p = -0*g + 14 for g.
-4
Let v = 1 - -1. Let c(o) = 2*o**3 + 16*o**2 - 3*o - 21. Let f be c(-8). Solve -2*d - v*p = d + 10, -f*p = -3 for d.
-4
Suppose 83*i - 24 = 77*i. Solve 2*y - 4 = -4*d + 6, -i*d = -4*y + 8 for d.
1
Let l(m) = -4*m + 31. Let j be l(7). Solve -k + j*k + 3*u + 2 = 0, 2 = -3*k - 5*u for k.
-4
Let f be 4/2 - (2 - 3). Suppose f*l = 4*k - 11, 0 = 2*k - 0*k - 3*l - 7. Suppose 36 = 8*c + 4. Solve -c*m + q = -15, 0 = -0*q - k*q - 6 for m.
3
Let v = 34 + -15. Let j be (0 - v/(-1)) + 1. Let k = -35 - -39. Solve 0 = -t - 5*x - k, -5*t - 5*x + 3*x = j for t.
-4
Suppose 16 = 2*m + 2*m. Let g = 22 + -16. Solve -l - g - m = 4*x, l = -x - 1 for x.
-3
Suppose 5*t = 4*s + 5 + 7, -4*t - s = 3. Suppose t = -2*z + 4*b, -28 = -z + b - 6*b. Solve -z = 2*g - 2*m, m - 3 = 3*g + 9 for g.
-4
Let o be 8/(-12)*297/(-6). Let c = o + -29. Solve -5*k + r + 18 = 0, 5*k = -c*r - 0*r + 3 for k.
3
Suppose r = 6*r - 10. Suppose -11*w + 45 = -r*w. Solve -a - 8 = -w*d, -5*a - d + 8 = -2*a for a.
2
Let k be (1 - (6 + -4)) + 9. Let h = -2 + 5. Let m(x) = -x + 1. Let n be m(1). Solve -l + n*l = h*q + k, -15 = 5*q for l.
1
Let t(v) = v**3 + 17*v**2 - 16*v + 38. Let g be t(-18). Solve -8 = -4*q - 6*r + 2*r, g*r = -4*q + 14 for q.
5
Let f be (0 - 0)*2/(-4). Suppose f = -2*n + 6*n - 2*u - 20, n + 2*u + 5 = 0. Solve n*s = p + 6, 2*s - 3 = -4*p + 1 for p.
0
Let j(h) = h**3 + 19*h**2 + 38*h + 72. Let w be j(-17). Solve -o - 5*n = -24, o + 3*n = 