12. Solve -q = -3*x - j*q - 2, 0 = 2*x - 2*q for x.
-1
Let h(c) = -c**2 + 11*c - 12. Let f be h(9). Let p(m) = -m**3 + 9*m**2 - 17*m + 12. Let z be p(f). Solve 3*w = -3*o - z, -w - 2*w - 5*o - 20 = 0 for w.
-5
Suppose -z + 15 = 4*z, 5*i - 168 = -z. Let j be 5*((-2)/6 + i/45). Solve k - 6 = -j*k, 4*u - 3*k = 6 for u.
3
Let g be (-105)/30*2*7. Let k = g - -51. Solve 4*b - 4*r - 16 = 0, 3*b = k*r + 9 + 2 for b.
3
Let c be 2/(-7) + (-32)/(-14). Suppose -2*k + 5*k - 6 = 0. Let g be (18 - 17) + 1 + 0. Solve -n + c*i = 0, k = -4*i - g for n.
-2
Let l be ((-69)/(-12))/(4/(-16)). Let d be 12/(-42) - l/7. Solve 3*s - a = d, 0*s = -2*s - 2*a - 6 for s.
0
Let v = 57 - 52. Suppose 0 = -2*b + v*b - 15. Solve -5*c - 40 = -b*y, -y = 7*c - 2*c + 10 for c.
-3
Let m(o) = 2*o + 11. Let z be m(-8). Let y be 24 + -17 + z + 1. Solve -28 = g + 5*l - 1, y*g + 11 = -l for g.
-2
Suppose 0 = 3*t - 31*a + 36*a + 16, 2*t + 2*a = -4. Solve -q + 1 = 2*f, -f - q + t*q + 3 = 0 for f.
1
Let t(n) = -n + 2. Let u be t(-7). Let j be 18/(-12)*(-12)/u. Solve f - 20 = -2*x + 7*x, 4*f + j*x + 30 = 0 for f.
-5
Let q = -106 - -52. Let n be 1/(q/12) - 29/(-9). Solve 2*s + 3 + 3 = -5*v, -2*s + 10 = -n*v for s.
2
Let d(r) = 12*r + 4*r**2 + 0*r - 1 - 3*r**2 - r**3 - 4*r. Let y be d(3). Solve 0 = -2*k + 2, 5*k = -y*z + 6*k + 19 for z.
4
Let z be 1980/924 + (-1)/7. Solve -z*w - 4*v + 2 = -0*w, 3*w + 3*v = 9 for w.
5
Suppose -c - a + 1 = 0, c = 2*a + 12 - 5. Solve 5*z + h + h = -25, 0 = c*h for z.
-5
Let i = 110 + -108. Solve b - 6*b - i*p = 4, 0 = -3*b + 5*p + 10 for b.
0
Let f = -6 - -4. Let t be 20 + (-1)/(f/(-8)). Suppose -m - 2*o = -14, -3*m - 4*o + t = -16. Solve m - 6 = 2*y + 4*w, -y + 4*w = 7 for y.
-3
Let p be 10/5 - 0/16. Solve 0 = -4*j + 2*j + 4*h + 8, 2*j = 2*h + p for j.
-2
Suppose 222 = 58*j - 358. Solve w + 6 = 3*u, 4*w + 2*u = 28 - j for w.
3
Let j be (39/52)/((-6)/(-16)). Suppose -4*f + j*f = 0. Solve 2*u + 4*s - 11 = 3, f = 4*u - s - 1 for u.
1
Let h(s) = s**3 - 4*s**2 + 5*s + 2. Let c = -9 + 12. Let l be h(c). Suppose 7*b = 8*b - l. Solve b = 4*i - 5*i + 5*g, 4*i = g + 6 for i.
2
Suppose 3*i = -2*u - 35, -2*u = 2*u - i + 77. Let c = u + 5. Let d be (c + 2)*1/(-3). Solve -d*o + 2*x = -x + 15, -5*o + 5 = x for o.
0
Let k(p) = p**3 - 6*p**2 + 3*p - 14. Let l be ((-6)/7)/((-11)/77). Let f be k(l). Solve -4*m - t + 0 = 4, 4*m = -f*t - 16 for m.
0
Suppose g + 0*g - 79 = 2*h, g = -5*h + 100. Let u = g - 82. Solve x - u*p = -4*p - 2, -2*x - p = -1 for x.
3
Let o be (5/(-4))/(1/(-4)). Suppose 5*x - 8 = 12. Suppose -6*p + 3*h = -p + 12, -h = 4*p - x. Solve -q + 4*j - 7 = -p*j, -o*q + 34 = 3*j for q.
5
Let l be 6/2 - (11 - 10). Suppose -l*t - x + 11 = 0, -6 + 31 = 5*x. Solve -t*z = -3*c - 2 - 4, -2*c = z + 10 for z.
-2
Let g(j) = -2*j - 14. Let s = -66 - -58. Let p be g(s). Solve 2*w = -p*c - 2, -3*w - 1 - 2 = 2*c for w.
-1
Let r(v) be the first derivative of -v**3/3 + 9*v**2/2 + 14*v + 9. Let p be r(10). Suppose 0 = -5*y + 35. Solve 4*f + 4*x + 16 = 0, -p*f = -2*x + 3*x + y for f.
-1
Let i be (0*(2 - 2 - -1))/(-2). Let n be (-8)/(i - (1 - -2)/3). Solve k = -2*k - u + 13, 4*k - n = u for k.
3
Let j(f) be the second derivative of -2*f**5/5 + f**3/6 - f**2/2 - 10*f. Let g be j(-1). Solve -4*y = 2*d + 2*d + 12, 2*y + g = 3*d for y.
-3
Let i = 4 - -7. Let q = 11 - i. Let k be -4 + 2 - (1 - 7). Solve q = -5*u - 15, m + 6 = -k*m + 3*u for m.
-3
Let l = 745 + -730. Solve 0 = 5*t - l, 2*f - 3 - 10 = -5*t for f.
-1
Suppose -65 = -205*a + 202*a - 4*i, 3*a = -3*i + 69. Solve -g + 3 - 15 = 5*t, a = 5*g - 4*t for g.
3
Suppose 0 = 4*a - 0*a - 24. Suppose -9*i - a = -24. Solve -18 = n - 3*n - 4*b, 3*n - 3 = i*b for n.
3
Suppose -106 = -11*w + 114. Let a(k) = 3*k - 57. Let h be a(w). Solve 0*g - h*g + 3 = m, 3*g - 3 = 5*m for g.
1
Let g be ((-12)/(-15))/(4/30). Let b be 14/g - (-4)/6. Let a(p) = p**2 + 13*p + 42. Let k be a(-7). Solve 2*j + 0 = -4*f - 14, -b*f + 3*j - 6 = k for f.
-3
Suppose 5*u - 3*j - 58 = 0, 7*j = u + 2*j + 6. Solve 6*c = -2*n + 2*c - 16, -3*n - 4*c = u for n.
2
Suppose -4*x = -26 - 18. Solve x = 5*c - 3*g, 2*g + 8 = 2*c + 2*c for c.
1
Suppose -z - 3 = 3. Let m be ((-9)/z)/((-9)/(-24)). Solve -v + 10 = 2*c, v + m*c + 0*c = 16 for v.
4
Suppose 6 = -2*p + p. Let w be 11 - (4 - p/(-3)). Suppose -4*x + 26 = x - h, -h + 4 = 0. Solve 4*u = d + w, u - x*u + d + 10 = 0 for u.
1
Suppose 8*f - 31 + 7 = 0. Solve -v = -0*v + 2, f*v + 11 = 5*q for q.
1
Let j = -5 + 5. Suppose -i + 6*i - 15 = 0. Solve 0 = -5*c - g + 22, j*g - 4*g = i*c - 3 for c.
5
Suppose -2*z = 2*p + 2*z, -2*p = -5*z. Let l be (1 - -1) + -1 + 0. Suppose p = -m + 4 - l. Solve -5*k + 9 = m*q - k, 0 = -k for q.
3
Let l(a) = -a - 15. Let q be l(-5). Let w = -8 - q. Let i be w/(-6) + (-14)/(-6). Solve 4*x + 2*d = 0, d - i*d + 5 = -3*x for x.
-1
Let u = 1370 - 1358. Suppose -4*x + 21 = -5*o - 0*x, 4*x - 16 = 0. Let l = o - -1. Solve j - 5*f - 7 = u, -5*j - 5*f + 5 = l for j.
4
Suppose 0 = -2*r + 3*s + 35, 15 = s + 2*s. Suppose 0 = -5*v + r - 0. Solve 10*p = -2*h + 5*p, -10 = 4*h + v*p for h.
-5
Suppose -15 + 35 = -5*z. Let t be 0 + (z - -4) - -2. Solve 4 = t*x, -4*u + 2*x + 16 = -0*x for u.
5
Suppose -2*a + 13 = 7*r - 2*r, -4*a + 38 = -2*r. Suppose a - 7 = t. Solve -2*w - 21 + 9 = -t*h, 0 = h + 5*w for h.
5
Let d be 16/(-14) + 6848/749. Solve -3*t - 10 = -f, d*f - 9*f = -5*t - 16 for t.
-3
Suppose -2 + 10 = -4*u - 5*w, -3 = 3*u + 3*w. Suppose 0 = 5*t + r - 12, -u*r + 14 = 5*t - r. Solve d - y = -t*d - 2, 0 = 2*d + y - 7 for d.
1
Let o(j) = 42*j + 131. Let d be o(-3). Solve -d*q - 4*p = -13, 3*q = -0*p + p + 18 for q.
5
Let x(t) be the first derivative of t**4/4 - 8*t**3/3 + 7*t**2/2 + 2*t - 21. Let f be x(7). Solve -f*m - 1 = -5*h, -4*m = -3*m + 3*h + 6 for m.
-3
Suppose -15 - 17 = -4*r. Suppose 4*i = 15 - 7. Solve -6 = -3*j - v + r, 4*v = i*j for j.
4
Suppose 5*l + 31 = -9. Let u = 20 + l. Solve 3*o + 4 = 7*o, u = 2*x + 2*o for x.
5
Let t = -154 + 158. Solve 0 = -2*s - 5*z - 7, -3*z - 2 = -t*s - 3 for s.
-1
Suppose 25 = -79*l + 84*l. Solve -2*n + l*x = 21, n - 4*n - 9 = -3*x for n.
2
Let b(c) = -c**2 - 5*c + 15. Let i be b(-7). Solve 3*s - 10 = f, -5*f + i = 3*s - 3 for s.
3
Let m(h) = 2*h**2 - 9*h - 4. Let i be m(7). Let p = -9 + 26. Let z = 21 - p. Solve 2*c + c = z*q - 11, -i = -2*c - 5*q for c.
3
Let w = -1 + 2. Let p be 31*w/(-3)*-3. Suppose 0 = 5*x + 2*m - 10, -3*m - p = -x - 3*x. Solve -2 = y + x*h - 11, 2*y - 15 = -5*h for y.
5
Let f be 15*(25/(-15) + (-2)/(-1)). Suppose 0 = -5*d - f*d + 30. Solve -3*t + 3 = m, -3*m - d*t + 5*t = -9 for m.
3
Suppose 31*j - 16*j = 105. Solve 0 = -3*k + 4*r - j, 5*r - 4 = 3*k + 4 for k.
-1
Let a(m) = 2*m**2 - 2*m + 1. Let r be a(1). Suppose 0 = 5*g - 14 - r. Suppose 4*y + 151 - 167 = 0. Solve g*i - 7*i = y, 3*l - 2*i = -10 for l.
-4
Let w be 2/6*-3*-2. Suppose -7*m + m = -w*m. Solve -5*y - 5*o = 33 + 7, m = 2*y + 3*o + 20 for y.
-4
Let k = 1453 + -1448. Solve 0 = 5*x - 15, -k*x = 4*s - x + 8 for s.
-5
Let d(t) = -10*t - 327. Let o be d(-33). Solve 4 = -5*q + r + 3, -o*q - 5 = -5*r for q.
0
Suppose -2*z = 2*s - 8, 0 = 3*s - 6*z + z - 12. Let r be s/(-18) - 141/(-27). Solve 10*d + 6 = r*d - 2*v, d + 9 = -3*v for d.
0
Let z(d) = -d**3 - d**2 + 7*d + 2. Let a be z(0). Suppose -4*i = -9*i + 25. Solve 3*x = 4*k - 12, k = -i*x - a + 5 for x.
0
Let n = 110 + -195. Let d = n - -90. Solve 0 = -s - s - 5*w, d*s = -w for s.
0
Suppose -15 = -9*l + 6*l. Suppose -u + 6 = -2*c, 4*u - l*c - 55 = -u. Solve -4*f + 36 = 4*x, x + u = 5*x for f.
5
Let t(m) = m - 1. Let u be t(1). Suppose 95*w - 469*w = -9982 - 864. Solve 3*i - 27 = -3*x, -5*x = -u*x + i - w for x.
5
Let d(b) = -b**2 + 9. Let v be d(-7). Let r = -58 - v. Let k be 1/(0 - 2/r). Solve z - 4*c - k = 0, 3*z - 3 = 3*c + 6 for z.
1
Suppose -4*w = -8*w - 8. Let q(p) = 2*p + 3. Let u be q(w). Let y = u + 5. Solve -2*b = -6, b = -y*r - b - 14 for r.
-5
Suppose -5*w + 543 = 398. Solve -3*o = -d + 19, 2*o = 3*d + 7 - w for d.
4
Let z(v) = -3*v**2 - 5*v + 5. Let t be z(2). Let r be (t + 17)/(-4 - -1). Solve -3*d + c - 11 = r, d = -d - c - 14 for d.
-5
Suppose 19*b + 1 = 2*y + 20*b, 4*y - 4*b - 20 = 0. Solve -3*k - y*d - 5 = -4*d, -4*d - 35 = 3*k for k.
-5
Let z(m) = m**3 + 21*m**2 + 91*m + 19. Let n be z(-15). Solve -2 = -2*k + 2*h, -2*k = 2*h + n + 14 for