12. Solve -4*i + 5 + 8 = -y*j, 3*j + 3 = s*i for i.
-3
Let i(c) = -c**3 - 3*c**2 - c + 115. Let h be i(0). Suppose 100 - h = -5*n. Solve 3*q + 2*m = n, -5*q - 3 = m - 1 for q.
-1
Let u be 2952/1107 + (-2)/(-6). Solve -u*s + 2*i = -1, 32*s - 30*s + 3*i + 21 = 0 for s.
-3
Let v(c) = 48*c + 1109. Let m be v(-23). Suppose -4*k + 2 = 46. Let u = k + 16. Solve 0 = -u*g - 2*b + 7 + 22, 0 = -4*g + m*b + 10 for g.
5
Let n(m) = 25*m + 278. Let y be n(-11). Solve -o - 3*j + 9 = 0, -52 + 23 = y*o - 5*j for o.
-3
Let l(i) = i**2 - 19*i + 88. Let c be l(12). Solve 6*q + 18 = 8*q - 5*n, -c*q = n + 8 for q.
-1
Let r(l) = 2*l**3 - 77*l**2 - 47*l + 316. Let p be r(39). Solve 8*d + p*y = 4*d - 12, -4*y - 19 = -3*d for d.
1
Let v be (-4 + 4 - -2)*(-5)/2. Let y(w) = 10*w**2 + 2*w - 8. Let c be y(v). Let s be 8/(-28) - c/(-28). Solve -3*n + 4*n = -4*t, -4*t + n - s = 0 for t.
-1
Let u be 12/(-3) + (-3)/(-3) + 5. Suppose 3*z = f + u*z - 5, 5*f = z + 13. Solve 0 = -f*a + w + 8, 0*a - 3*w = -a + 14 for a.
2
Let o = 4 - 1. Suppose 2*y - 11*y = 1251. Let c = y + 142. Solve d - 3 = -t + 1, -6 = c*d - o*t for d.
1
Suppose -24*q = -0*q. Let p = -10 - -16. Suppose y - 25 = t + p*y, -4*t - y - 5 = q. Solve 3*l = 6, t = -2*f + 2*l - 0*l - 4 for f.
0
Suppose 0*h = -2*l - 4*h - 18, -2*l + 2*h = 0. Let y be 1 - -2 - l/(6 + -3). Let d be 44/6 + 10/15. Solve -k + 4*k + d = -c, y = -k for c.
4
Let n(r) = r**3 - 5*r**2 - 96*r + 484. Let y be n(5). Solve 4*j - 2*c = 10, -3*c = y*j + 9 - 24 for j.
3
Let j be (67 + -67)/((-4)/4). Solve -4*s = 3*v - 6*s + 13, 2*v + 5*s - 4 = j for v.
-3
Suppose 17*y - 7*y = 30. Suppose -6 + 21 = y*f. Suppose -3*l - 2*l = 0. Solve l = 5*t - 5*m + 25, -2*t - t + f*m = 17 for t.
-4
Let f be (-1)/2*(-1 + 1). Let r(i) be the first derivative of -11*i**2 - 704*i - 225. Let v be r(-32). Solve 5*q - 5*h + 20 = 0, f = h - v*h for q.
-4
Let m = 37 - 35. Suppose 3*c = -4*h - 7, m*c - 3 = 5*c + 3*h. Solve 2*d - 1 = n - 8, -c*d = -4*n + 8 for d.
-4
Let o = -91 - -112. Let k be 2/(8/3) + o/(-28). Let j be 5 + 1/4*k. Solve -3*g + j = -d, -d = 3*d + 20 for g.
0
Let i = -89 + 93. Suppose -f + 6 = 4*k - 2*k, 14 = i*f - 2*k. Solve 0*y = y + 4*v, -20 = f*y - 4*v for y.
-4
Let r(h) = 2*h. Let c be (2 - 4)*(-22)/4. Let z be r(c). Suppose -5*k - o + 4 = -25, 3*k - 4*o = z. Solve 4*d - 5 - k = -3*f, -4*f + 13 = 5*d for f.
-3
Let d(h) = -19*h - 205. Let b be d(-8). Suppose -5*f + 65 = q + 13, 232 = 4*q - 4*f. Let a = q + b. Solve s - a*w = -16, -3*s - 6 = 2*w - 0 for s.
-4
Let i(n) = 7*n + 66. Let b be i(-8). Suppose 0 = -8*t + 18*t - 20. Let d = 2 - -1. Solve -4*p = 3*s - b, -2*p - t*p + 22 = -d*s for s.
-2
Suppose 15*c - 3473 = 1912. Let v = c + -356. Suppose -4*d - 7 = -0*g + g, 3*d = 2*g - 8. Solve -5*p + 14 = s, v*s = -s - p - g for s.
-1
Let r = -4 + 28. Suppose -5*o = -7*o + r. Suppose 0 = -6*y + 11*y. Solve y = 2*t - 5*w + 1 + 30, t - o = -3*w for t.
-3
Let c(d) = -17*d - 47. Let t be c(-3). Suppose 36 = i - 2*n + 23, t*n = i - 21. Suppose -4*o = 1 - 29. Solve -4 = 4*p + y, 3*y + 2 - o = i*p for p.
-1
Let r = 1117 - 1095. Solve b + 3*u + 14 = 0, -u = -240*b + 236*b + r for b.
4
Suppose 5*d + 44 = 39, 0 = 3*w - d - 10. Solve -7 = -a - 2*f, -3*f + 7*f = w*a - 11 for a.
5
Suppose -265*v - 436 = -89*v - 5716. Solve 4*y - 40 = -4*w, 25*w = v*w - 4*y - 5 for w.
5
Suppose 986 + 743 = 7*c. Let o = c - 242. Let i(q) = -q**2 - 6*q. Let a be i(-4). Solve -4*t = -4*m - m + a, o*t + 5 = 5*m for m.
4
Suppose -2*g = 4*j - 582, 44*j - 47*j + 435 = g. Let d = -144 + j. Solve -n = -2*c - d*c + 12, 16 = 4*c for n.
-4
Let r be ((-4)/(16/(-52)))/((-3)/51). Let i = -220 - r. Solve t - g - i = -0*t, -5*t = g + 1 for t.
0
Let a(k) = -51*k + 258. Let r be a(5). Suppose r*z - 31 = -4*j, -z + 12 = j + 3. Let o be -1 + (3*3 - 1). Solve w + o = s, j*s - 5*s - 4*w = 18 for s.
2
Let b = 15021 - 15021. Suppose 0 = -0*x - x. Solve h + x - 1 = b, -3*c = -3*h for c.
1
Let v = -220 - -223. Solve v*w + 6 = 0, 4*i + 5*w = w - 24 for i.
-4
Let a = 3758 - 3753. Solve -3*d - 6 = -l - 2*d, 3*l - a*d - 30 = 0 for l.
0
Suppose w = 3*q - 11, 4*q + 5*w + 3 = 5. Suppose -181 = 5*x - 5*u + 14, -u = -2*x - 81. Let l = -40 - x. Solve l*a - q*a = g, 4*g = -5*a + 4 for a.
4
Suppose 0 = -5*l, 482*w - 4*l = 485*w - 12. Solve -6*h - m = -w*h, -m - 2 = 0 for h.
1
Let m(c) = -2*c**2 + 57*c - 326. Let v be m(8). Let k(r) = r**2 - 7*r + 1. Let l be k(8). Solve -f - l = -v*j - 6*f, 2*j - 5 = -f for j.
2
Let l(u) = -70*u - 4337. Let m be l(-62). Solve -19 = -m*g - 4*f, -2*f + 2 = 3*g - 15 for g.
5
Let s(v) = -14*v - 24. Let c(o) = -o**2 + 27*o - 74. Let g be c(24). Let m be s(g). Solve -4*b - 4*q = -12, 0 = -m*b + q - 3 + 15 for b.
3
Suppose 2*m + 872 = 4*m + 3*j, 2*j - 438 = -m. Let z = m + -424. Solve -c + 5*i - 27 = 0, 2*c - 4*i = z*c - 12 for c.
-2
Suppose -3*k = -h + 90, 4*h - 5*k + 3*k - 310 = 0. Suppose -14*w + 9*w = -h. Suppose w = 4*i - 29. Solve -l = 2*r - 5, 5*r - 4*r = 4*l - i for r.
1
Suppose -3*y + 4*l + 25 = 0, -5*l + 0*l + 25 = 0. Solve -4*x = x + 4*f + 3, y = 5*x - 5*f for x.
1
Let r(p) = 34*p - 63. Let y be r(2). Solve y*k - 2*v = -7*v - 5, 0 = k - v - 1 for k.
0
Let p(k) = k**3 + 13*k**2 + k + 15. Suppose 7*w - 3*w + 236 = 4*j, -4*j = 12. Let c = w - -49. Let g be p(c). Solve 6*n - 3 = n - g*m, -3*n = -5*m + 23 for n.
-1
Let q = 27 + -24. Suppose 5*b - 90 = -5*b. Solve 25 = q*f - b*d + 4*d, 0 = 2*f + 4*d - 2 for f.
5
Let v = -4498 + 4503. Solve -2*u - 5 - 18 = -v*l, 0 = -4*l - 3*u for l.
3
Let g be (-25)/5*(-4)/(-1). Let t be 3*1*(g/(-12) + -1). Solve -t*c - 11 = -3*v - c, -5*c = 5*v - 25 for v.
4
Suppose -83*q + 67*q = -48. Solve 3*t + 28*r = 30*r - 7, -q*t + r - 8 = 0 for t.
-3
Suppose -p - 14*p + 66 = -144. Solve -2*y - s + 1 = 0, -2*y + 2 = 4*s - p for y.
-2
Let z = -471 + 877. Suppose z*y + 15 = 411*y. Solve i - y*r = -2*i - 24, i = -r for i.
-4
Let s(x) = 88*x - 436. Let j(l) = 59*l - 289. Let k(n) = -8*j(n) + 5*s(n). Let y be k(4). Solve 1 = -z - 2, -y*z - 7 = -f for f.
-5
Suppose 5*t + 374 - 103 = 4*o, -o = 3*t - 89. Let w = 78 - o. Suppose 4*c = -c + 5. Solve -2*b - c - 1 = 0, w*b = 5*g - 14 for g.
2
Let o be (-24)/36 - (-3390)/9. Let v = -364 + o. Solve -l = l - 4*c - v, 5*l - 19 = -c for l.
4
Let v = 417 - 414. Suppose 0 = 4*u + v*p - 72, -5*p + 26 = -3*u + 80. Solve -3*y + y - 3*f = -16, -u = -5*y - 2*f for y.
2
Suppose 0 = -d + 5*j + 8, -5*d + 7*d = -5*j + 1. Suppose 5*g + d*r + 2 + 4 = 0, 5*g + 4*r + 8 = 0. Solve -s - 3*k = -5, 4*s = -k - g - 2 for s.
-1
Suppose -a - 30 = 2*v - 37, 0 = -v + 2*a + 6. Solve -3*p + 3*g = -15, -p + v = g - 1 for p.
5
Let s(d) be the third derivative of -d**6/120 - 3*d**5/20 + 11*d**4/12 + 2*d**3/3 + 24*d**2. Let h be s(-11). Solve 5*w - 21 = -0*q - 3*q, -h*q = w - 11 for w.
3
Let a = 19948 + -19946. Solve 3*s = -a*r - 5, -2*r = -2*s - 0*r - 10 for s.
-3
Let h = -32 + 40. Let x(d) = -3*d**2 + 24*d + 8. Let f be x(h). Suppose -2*o = -f - 2. Solve -5*a = -o*r - 35, -2*a + r + 14 = 5 for a.
2
Let j(r) = -2*r**3 + 109*r**2 + 530*r + 64. Let z be j(59). Solve 3 = n - 2*a, -143*a + 141*a - 9 = z*n for n.
-1
Let w(u) be the third derivative of u**4/6 + 2*u**2. Let n be w(2). Let j = -87249 + 87252. Solve 3*f = o + j*o - n, 5*o = -3*f + 37 for o.
5
Let q(x) = -91*x**3 - 1. Let r be q(1). Let o = r + 136. Suppose o = 4*w + 28. Solve 4*z - 4*k - w = 0, -2*z - 2*k = -9 + 3 for z.
2
Let x = -27049 + 27053. Solve -2*c + x*s + 38 = 0, -27 + 14 = -4*c - s for c.
5
Suppose 29 = 3*i + 5. Suppose 2*j = -0 + i. Suppose -417*q + 1495 + 256 - 500 = 0. Solve 5*f - 20 = -2*b - q, 5*b = -j*f for f.
5
Suppose 5*t - 18 + 202 = 4*y, 20 = -5*t. Solve -4*x + 4 = -5*r, -4*r + 38 - y = -3*x for r.
0
Let p = 222 + -216. Suppose -105 = -p*n - n. Solve 3*x = 9, 3*q = 2*q - 5*x + n for q.
0
Let h be 2*(-2 - 46/(-4)). Suppose -42 = -2*f + 2*q, f - h = 3*q - 0. Let y = -20 + f. Solve 0 = -3*w - 12, 2*x = 4*x - y*w - 18 for x.
5
Let k(y) = -51*y - 2038. Let v be k(-40). Suppose t + 5 = p, 3*p = -0 + 3. Let s be 3*t/(-6) - -3. Solve -s*n = 4*a + 18, 2*a + 10 = -v*n - a for n.
-2
Let z be (0 - -3) + (-1 - -35). Let p(o) = 5*o**2 + 18*o. Let d be p(-6). Let f be 0 + ((-18)/d)/((-1)/20). Solve -25 = 2*k + 3*b, z - 7 = -f*k - b for k.
-5
Let j be (4/(-8))/(-1 + (-4)/((-120)/27)). Solve 29*a + j*r + 6 = 25*