 d.
4
Suppose -4*h - 2*u = -4, 5*h - 13 - 5 = 4*u. Solve 0 = 5*v + w + 3, -5*v + 3*w + h*w = 15 for v.
-1
Let g = -8 + 11. Solve -5*y = -2*q + 17, -2*y + g*q + 7 = -y for y.
-5
Suppose 4*l - 3*l = 0. Suppose b + 0 - 1 = l. Let v(t) = -t + 10. Let n be v(5). Solve x + b = -2*p, n*p = p - 4*x + 4 for p.
-2
Let v(p) = -p - 1. Let t be v(0). Let h = t - -3. Solve -h*l + 4*k + 12 = 2*k, 0 = -4*l + k + 18 for l.
4
Suppose 4*b - 5*x = -0*b + 25, 5*x = b - 25. Solve -2*a = s + s, b = -3*s for a.
0
Let k = -3 + 6. Suppose -k*g = -2*g - 5. Solve 0*w = -g*w + 2*z, 0 = -4*z for w.
0
Suppose 0*g - 44 = 4*g - 4*b, 0 = -4*g - 4*b - 12. Let t = g + 7. Let i(d) = d**2 + d + 5. Let y be i(t). Solve 0 = y*z + 15, 4*z + 8 + 4 = r for r.
0
Let z(q) = q**3 - 4*q**2 - 3*q + 2. Let l be z(5). Suppose -6*v + l = -4*v. Solve -2*s + v = 2*r - 10, s = -3*r + 16 for r.
4
Suppose -4*s + 5 = -w - 23, 0 = s + 4*w - 24. Solve -2*d = 4*y + 3*d - 31, -4*d = -y - s for y.
4
Suppose -22 - 2 = -3*u - 3*o, 0 = -u - 2*o + 13. Let j = -2 + 2. Suppose j = y + u*y - 12. Solve 7 = y*r + x, r = 5*r + 3*x - 6 for r.
3
Let h = -3 + 5. Suppose 0 = -4*v + 4*y - 48, -h*y = 5*v + 3*y + 20. Let m = 13 + v. Solve -6*d = -m*p - 2*d + 12, 2*d + 12 = 4*p for p.
4
Let x(l) = -l**2 + 3*l + 7. Suppose 3*z + 2 = 14. Let o be x(z). Solve 4*h - p + 16 = 0, -3*h - 16 = h - o*p for h.
-4
Let a = -111 - -113. Solve -a*r = 3*b - 5*r - 24, 5*b + 3*r = 0 for b.
3
Suppose 3*c - 2*c - 3 = 0. Solve -3*p - x = -c, x = -5*p - 3*x + 5 for p.
1
Let w(x) = 2*x + 21. Let t be w(-7). Solve j = -3*a + 8, -3*j - 2*a + 3 = t for j.
-4
Let w(o) = -o**2 - 8*o - 2. Let i be w(-7). Let k = 3 + 0. Solve -i*m + 10 = 0, -m + 4*m = -k*f + 9 for f.
1
Let y = 1 - -2. Let l be 40/(-30)*6/(-4). Solve h - y = -2*v - 11, l*h = -3*v - 13 for h.
-2
Suppose 2*d + 1 + 1 = 0. Let r = d + 1. Suppose o + r*o - 3 = 0. Solve 0 = -s - s - 4, o*s + 4 = w for w.
-2
Suppose 0 = -4*j - 16, 4*j = -4*m + 3*j + 20. Suppose 14 = 2*d + m. Solve 4*l = 4*a + 2*l + 10, -d*l + 13 = -a for a.
-1
Let f be (2/1 - 1) + 1. Suppose -f = -2*l + 3*l. Let u = 2 + l. Solve -r + 4*w - 2 = u, -2*r = -0*w - w + 4 for r.
-2
Suppose 4*p + 1 = 9. Solve x = 3*o - 12 + p, 0 = -3*o + 4*x + 4 for o.
4
Let i(x) = -x**3 - 6*x**2 + 7*x + 5. Let a be i(-7). Solve -4*j - 16 = -3*d + a, 2*d = -5*j - 9 for j.
-3
Let w = -125 + 128. Solve 5*k - 2 = a, k - 4 = w*a + 2 for a.
-2
Let v(o) be the second derivative of -o**5/20 - o**4/6 - o**3/3 + o**2/2 - 2*o. Let b be v(-2). Solve 0 = 4*f + b*k, 2*k = -0*k - 8 for f.
5
Let k(p) = p**3 + p**2 - 8. Let a be k(0). Let z be (-20)/(-2) - 0/1. Let h = z + a. Solve 3*c - 2*t = -0*t + 3, 0 = h*c - 4*t - 10 for c.
-1
Suppose 54 = 3*z - 0*z. Let y be 2*2*9/z. Solve 0 = -y*w - r + 6, -r + 8 = 4*w - 6 for w.
4
Let n(r) be the second derivative of 7/6*r**3 - r + 0 + 0*r**2. Let a be n(7). Solve -a = -4*m + 2*j - 19, 3*m - 10 = -j for m.
5
Suppose -15 = -3*f + 2*f + 5*i, -5*f = 2*i - 48. Solve 2*n + 2*g - f = 4*n, -2*n - 4*g = -8 for n.
-2
Suppose 4*t + 5*r = 18, -r - r - 6 = -5*t. Solve -2*f - 5*l = 2*f, 0 = t*l for f.
0
Let f(x) = -x + 2 + 3 + 0 - 6. Let t be f(2). Let h = t + 5. Solve -6*m - 32 = -2*m - 4*b, m = -b - h for m.
-5
Suppose t - 5 - 5 = 0. Solve -3*s - 2 = c + c, c + t = 3*s for c.
-4
Suppose -18 = -5*j - 18. Solve -i - 2*i - 3*l - 9 = j, -3 = 2*i - l for i.
-2
Let z = -60 - -88. Let r be 8/z - 304/(-14). Solve -r = x - 4*k, -5*k = 3*x - 5*x - 29 for x.
-2
Suppose 2*h = -2*m + 14, -4*m + m - 4*h = -26. Solve 5*o + 5*r = -22 - 23, -3*o - m*r - 22 = 0 for o.
-4
Let b(y) = 2*y - 7. Let m be b(5). Suppose m*j - 16 = j. Solve 3*z - j = 5*z + 5*v, 4*z = 4*v - 16 for z.
-4
Let p = 43 - 31. Suppose -2*a + 4*a = -2. Let u = a + 5. Solve s + p = -4*q, 3*s - u = -q - q for s.
4
Suppose -3*l = 1 - 10. Let g be 6/(-21) - 46/(-14). Suppose g*b - 52 = b. Solve 0 = 4*j + 3*r + b, -l*j - j - 22 = r for j.
-5
Let i be -3*-1*4/6. Solve 0 = -r + i*p - 1 + 6, -3*r = 3*p - 6 for r.
3
Suppose 72 = 4*s - 0. Let h = 34 + s. Suppose i - 18 = -k, -4*i = -0*k + 3*k - h. Solve 0 = -5*c - 2*g - k, 5*c + 9 + 16 = -3*g for c.
-2
Suppose 0 = -6*l + l + 50. Solve -3*g - 7*t + 2*t = 25, -l = 4*g + 2*t for g.
0
Let b = 7 + -5. Suppose 2*n + b = 6. Solve -3*p = -5*g - 7, 2*g = n*p - 3*g - 8 for p.
-1
Let x = 44 + -24. Solve -d - 3*o = 4, -2*d - x = -3*d + 5*o for d.
5
Suppose -3*c - 4 = -4*r, 0 = -r + 5*r + 5*c - 4. Solve 15 = -5*p, r = 2*o + p - 2 for o.
3
Let k be ((-8)/(-16))/((-2)/16). Let r = k + 14. Solve 4*d - b - r = 0, d + 4*b = -2*d + 17 for d.
3
Suppose j = 3*x - 4 - 4, -x + 3*j = 0. Suppose -7*q + 2*q + 4*i - 9 = 0, i - 4 = x*q. Let d = q + 9. Solve 0*s + s + u - 5 = 0, -d = -4*u for s.
3
Suppose 5*s + 35 = 2*v, 0*v + v = -s. Suppose -10 = -2*r - 3*r. Suppose -r*a + 13 = 5*w, v*a + w - 10 = 11. Solve -l + 2*l - 2*m + a = 0, 6 = 3*l + 3*m for l.
0
Let o(l) = l**2 - l + 7. Let m be o(0). Suppose -3*z = -m*z + 16. Solve 3*s + g = 3, z*g - 1 = -3*s - 7 for s.
2
Let z(l) = 3*l**2 - 6*l + 2. Suppose 4*t = 20, -2*s + 2 = 5*t - 3. Let r be 10/3*(-12)/s. Let m be z(r). Solve -2 - 14 = -2*f + 3*u, -5*u - m = -3*f for f.
2
Let u = -15 + 26. Solve 0 = 2*o - 6, 0 = -x + 2*o + o - u for x.
-2
Suppose -18 = -3*k + 5*k. Let g = 14 + k. Let w = g + -2. Solve 0 = -3*h - 0*h - 3*l, 2*h = l - w for h.
-1
Suppose 3*b = -5*i - 185, -b - 2*b = 2*i + 182. Let d = 87 + b. Solve -3*k = -4*a + d, a - 5*a - k + 7 = 0 for a.
3
Let o = 43 - 41. Solve -2*z + 5 = -j, 5*z + 5*j + o = -23 for z.
0
Let q = 10 - 12. Let n(t) = -t**3 + 2*t - 1. Let d be n(q). Solve -5 = -d*a + 2*u - u, -a + 9 = -4*u for a.
1
Suppose -k = 5*z + 19, 4*z = 2*k - 4*k - 14. Solve -5*w = 15, 2*q = -w - 12 + k for q.
-4
Let m = -35 + 38. Solve 4*n = -u - 16, m*n + 20 = -n - 2*u for n.
-3
Let f be (6/(-6) + 0)/((-2)/6). Solve 2*v - 5*w = -2*v - 12, 22 = 5*v + f*w for v.
2
Let m be (-2)/9 - (-75)/(-27). Let n be (-13)/m - (-7)/(-21). Suppose 2 = n*l - 6. Solve 2*w = 5*g + 11, -l*w - 3*w - 5*g = -10 for w.
3
Let q = -29 - -43. Solve -3*u - 5*i + q = -5*u, -i + 4 = 0 for u.
3
Suppose 0 = -y + 5*y - 12. Let i = -169 + 173. Solve 0 = -c + y*f + 15, -c + f + i = -1 for c.
0
Let b(d) = 18*d**2 - d. Let a be b(1). Let n = a + -12. Solve -k + l = 2, 3*k - 13 - 13 = -n*l for k.
2
Suppose -175 = -5*c - 5*o, -4*o + 179 = 5*c - o. Let a = -17 + c. Solve -4*x - a = -5*l - 3, -5*l = 2*x + 1 for l.
1
Let y(b) = -b**3 + 3*b**2 - 2*b + 2. Suppose 0 = -0*v + 5*v - 10. Let g be y(v). Solve 3*w = -f + g, 2*w + 3*f + 10 = w for w.
2
Let j be (-2)/(3*4/(-24)). Solve 5*g + 9 = 2*b, 0 = -3*b - j*g - 0*g + 2 for b.
2
Suppose 6*f = 3*f + 18. Let r(t) = 2*t**2 - 8*t + 4. Let o be r(f). Solve -2*g + o = 3*g + s, 0 = 5*g + 3*s - 34 for g.
5
Let o be (-2)/(-1) - 2 - -6. Suppose 3 = g + 4*j, g + g - 3*j - o = 0. Solve -3*l = 9, 0 = -g*i - 5*l - 8 - 16 for i.
-3
Suppose -g + 3*g = -d + 9, -3*g = -3*d. Suppose -30 = -4*o - 2*m - 8, 0 = 2*m + 10. Solve 0 = d*i + 4*t + 8, 6*i - o = i + 4*t for i.
0
Let v = 8 + -5. Suppose v*g - 4*g = -4. Let l(y) = y**3 - 5*y**2 + 5*y - 2. Let w be l(4). Solve w*n = 3*k + 12, -3*k + n - 1 = -g*k for k.
-2
Suppose 5*l - 59 - 41 = -2*h, 3*h - 2*l = 150. Let c = 73 - h. Suppose -3*m = 4*o - c, -4 = -4*o + 4. Solve m*v = 4*b - 18, -2*b - 6 = 5*v - 0*b for v.
-2
Suppose d - 10 + 8 = 0. Solve -18 = -4*x + d*o, 3*x + 0*x - 2*o = 13 for x.
5
Let j = 17 - 14. Suppose -15 = -j*d, 45 = g + 3*g + d. Solve -4*v + g = -m, -m + 0*v + v - 1 = 0 for m.
2
Suppose a - 4*p - 4 = -2*p, 3*p = a - 2. Let d = 15 - a. Suppose d = t - 1. Solve 3*h + 3 = 0, 3*k + 2*h + t = -3*h for k.
-1
Let s(n) = -2*n - 7. Let a be s(-7). Let f be -10*3/(-6)*1. Solve -2*v - 14 = c - a*v, -f*v = -5*c - 10 for c.
1
Let b be -32*((-2)/4 - -3). Let p = b + 112. Solve h + p = -3*h + 3*j, 0 = h + 4*j - 11 for h.
-5
Suppose 5*k = -4*q - 0*q, -5*q = k. Solve 3*f + 0*a = -3*a - 21, 5*f - a + 11 = k for f.
-3
Let o = 93 + -88. Solve 9 = 3*r, o = w + r - 0*r for w.
2
Suppose 0*l - 3 = -2*l + a, a = 3*l - 7. Suppose l*y - 66 = y. Let i be y/5 + 6/(-15). Solve -i*o + h - 22 = 0, 4*h + 17 = -3*o - 2*o for o.
-5
Let x be 12/(-2)*4/(-6). Suppose -76 = 2*s + 2*s + x*r, -5*r + 81 = -3*s. Let a be 4/s - (-72)/33. Solve -4*c + 4*h + 4 = 0, a*h = 2*c + 4*h + 14 for c.
-3
Suppose 4*c 