 12. Solve 0 = 3*r - 125*c + 128*c - 3, q*r - 4*c = 10 for r.
2
Let y = 13 + -11. Let d(q) = 2*q**3 + 25*q**2 + 55*q + 52. Let l be d(-10). Solve 0 = -j - n - 7, -3*j - l*j = y*n + 26 for j.
-4
Suppose 25 = 5*f, -19 = -3*l - 4*f + 7. Suppose 5*s + 5 = -3*q, l*s - 2 = -6*q + 4*q. Solve -j - 16 = q*r, 4*j + 16 = -0*j - 4*r for j.
-1
Let w(r) be the third derivative of r**6/120 + r**5/12 + r**4/8 - 2*r**3/3 - 30*r**2. Let u be w(-4). Solve 3*p + u*p = 4*l - 25, 2*p - 5*l + 26 = 0 for p.
-3
Suppose 5*v - 4*i - 106 + 19 = 0, v = -3*i + 25. Solve 5*p + c + 2*c - 31 = 0, -3*c = -5*p + v for p.
5
Let w(r) = -r**2 + 8*r + 20. Let u be w(0). Suppose 2*l - 16 = 28*n - 31*n, 4*l = -3*n + u. Solve 0*f = -3*h - n*f + 32, 5*f = h + 21 for h.
4
Suppose -4*p - 240 = 4. Let f = p - -43. Let d = f + 20. Solve 0 = 3*z - 2*c - 9, d*z + 3 = 4*c + 9 for z.
3
Suppose -b = 5*j + 291 - 296, -2*b = 2*j - 34. Solve 4*z = 4*v + b, 2*z - 4*v + 13 = 29 for z.
2
Let z be (9 - 29)*(-16)/20. Solve -5*x = 11 - z, 5 = -2*j + x for j.
-2
Let f be 103/45 + 25/225 - (-2)/(-5). Solve 4*m + f*j + 1 + 25 = 0, -2*m = -j + 7 for m.
-5
Let r(t) = t**3 - 8*t**2 + 3*t - 20. Let i = 188 + -180. Let h be r(i). Solve 0 = 5*z + 2*n + 14, -n - h = z - 0*n for z.
-2
Let i(n) = -n**3 + n**2 + 19*n - 39. Let z be i(3). Let u be (-4)/5*(-5 - z). Solve -5*y = -u*t - y + 32, 3*y + 9 = -2*t for t.
3
Let l = -894 - -899. Solve 0 = 4*a + h + l, -11*h = -5*a - 9*h + 10 for a.
0
Let l(a) = a**3 - 6*a - 15*a**2 - 9*a - a - 53. Let j be l(16). Let t = 57 + j. Solve y = n - 1, -t*n = -3*n + 2 for y.
-3
Let m(q) = 282*q + 3117. Let v be m(-11). Solve -3*n + v = -h, -3*n + 21 = 7*h - 10*h for n.
4
Let s(b) = 100*b - 3470. Let l be s(35). Solve 2*j + 5 = -5*f + l, 2*f + 4 = 2*j for j.
5
Suppose -3*c + 2*c - 12 = -3*o, -3*o - 10*c = -78. Let m = -15 - -19. Solve u - 3*f = -u - o, -3*f = -m*u for u.
3
Let s(a) = a + 4. Let x be s(14). Suppose 4*n = -4*b, -n - 2*b + 7 = 9. Solve -3*p + 3*r = x, 15 = p - 6*p + n*r for p.
-1
Let l(q) = 3*q**2 - 11*q + 1. Let r be l(4). Let w = -47 + 59. Suppose 3*f - r*f - 3*j = -w, f - 5*j = -7. Solve 4 = -2*p + n, 4 = -3*p - p + f*n for p.
-4
Let x be 201/7 + (-4)/(-14). Let u(l) = -9*l - 367. Let k be 14763/(-361) + 4/(-38). Let d be u(k). Solve -5*h - 3*c = -x, d*h - 3*c = -2*h + 7 for h.
4
Let t = 576 - 459. Suppose 101 = -8*c + t. Solve 4*f + 3*v = -6, c*v + 8 + 0 = -4*f for f.
-3
Let d = -6157 - -6160. Solve 0 = 5*f + d*r + 12, 5 = -2*f - r + 1 for f.
0
Let k be ((7/(-14))/(4/6))/((-1)/16). Solve -5*g = -4*s + 2, -2*g = -0*g + 4*s + k for g.
-2
Let y be (13/2)/(8/160). Let j be (-2)/(-5) - (-2418)/y. Solve -20 = -4*a, c + 5*a - j = a for c.
-1
Suppose -4*k + 14*k = 10. Suppose -20 = -4*h, -u + 3*u = h - k. Solve -2*a - 25 = u*a - 5*o, 3*a + 16 = o for a.
-5
Let t = -31 + 28. Let q be 2 - (t*4/6 + 1). Solve 3*d - 8*d = q*u - 13, 0 = d - 5 for u.
-4
Let p = 0 + 0. Let n be 1/(-5)*6*35/(-7). Let j be 2 + (-3)/(-18)*n. Solve j*d + 11 = -c, -4*d + p*c = 2*c + 12 for d.
-5
Let u be 0 + (-4)/8*-12. Let i(j) = j - u*j + 0*j - 7 + j. Let k be i(-3). Solve 2*g + 2*x = -4, -g + 0*x + k*x + 16 = 0 for g.
1
Let u = -3069 + 3072. Solve -r + 16 = 5*c - 3, u*c - 13 = -r for r.
4
Let r = -262 - -216. Let n = r + 49. Solve w - 15 = -n*b - 0*w, -b + 5 = 4*w for b.
5
Let y(u) = -u**2 - 24*u - 116. Let x be y(-8). Suppose -x*d = 15*d - 3*d. Solve 4*l = -2*o - 2, d*l + o = 4*l + 17 for l.
-3
Let f = -576 + 595. Suppose 4*c + b = f, 2*c + 5*b - 31 = -2*c. Solve -4*m + x = m - 24, m = -c*x - 12 for m.
4
Let r be (40/(-300))/(31/(-15) + 2). Solve -q + 0 + 10 = r*i, q = i - 5 for q.
0
Let w = -3464 + 3489. Solve 5*q - w + 15 = 5*k, -3*q - 8 = 4*k for k.
-2
Suppose -2*s + 1 = -w, -10 = -5*w + 3*w - 2*s. Let n(t) = -t**2 + 20*t - 88. Let v be n(8). Let q = 82 + -80. Solve w*d - 9 = -j, 5*j - j - v = q*d for j.
3
Suppose -6 = 4*d - 5*d, -3*d = -i - 15. Solve 3*a = -6, i*v + 5*a = -v - 2 for v.
2
Let y(i) = i**3 + 9*i**2 - 9*i + 12. Let u be y(-10). Suppose -25 = -u*j + 5*b, -3*b - 9 - 6 = 5*j. Solve 5*v - z + 2*z + 8 = j, 0 = -3*z + 6 for v.
-2
Let h be (-1 - 126/(-27)) + 10/(-6). Solve -w = 123*v - 124*v, -3 = -h*v + w for v.
3
Let f(h) be the second derivative of -h**3/3 + 35*h**2/2 + 2*h. Let j be f(14). Suppose -6*s - j = -31. Solve 0 = 2*i + s*m - 2, -i - 3*i - 6 = -2*m for i.
-1
Let u be ((-30)/(-4))/((-28)/(-56)). Solve 3*w = -2*x + 4, -u*w = -17*w + 8 for x.
-4
Suppose -60*b - 35 = -35. Let w be 1 - ((-192)/8 - b). Solve -3*k + w = 5*p, 17 = 3*k + 2 for p.
2
Let l(d) = -2*d - 15. Let x be l(12). Let o be 13/x - 1/(-3). Let q be (-45)/30*2*2/(-3). Solve -14 = 4*g + t, o = -g - q*g + 5*t - 22 for g.
-4
Suppose -124*b + 400 = -24*b. Solve b*k - 16 = 0, 2*l - l - 10 = -2*k for l.
2
Let k = -8435 + 8458. Solve 0 = -5*a - 4*m + 44 - k, -3*a + 13 = 2*m for a.
5
Let w(s) be the third derivative of s**4/8 - 67*s**3/6 - 106*s**2. Let b be w(25). Solve f - b = -4*h, h - 5*h + 3*f = 8 for h.
1
Let l be (-4*(4 + -5) + -5)/(3/(-9)). Let v(h) = -h**3 + 9*h**2 - 7*h - 4. Let p be v(8). Solve 5*q + l*u = 1 - 12, 4*q - p = 4*u for q.
-1
Let h(i) = 4*i + i**2 + 10*i + 0 + i - 5 + 2*i**2 - i**3. Let o be h(-3). Solve 2*k + 1 = -a - 0*k, -3*a = -k - o for a.
1
Let u(w) = w**3 + 10*w**2 - 28*w - 44. Let y be u(-12). Solve 4*i = -g + i, -y*g = -2*i for g.
0
Let h be (-162)/(-891) + (-53)/(-11). Solve 0 = 5*q, 0 = h*n - q + 6 + 4 for n.
-2
Suppose -10070*c + 10072*c + 63 = -5*f, 0 = 2*c + f + 3. Let v be (1 + -2 - -4) + 1. Solve -3*t = 3*y - c, v*y = 5*t + 2*y - 31 for t.
5
Let d(q) = 3*q**2 + 16*q - 50. Let h be d(7). Let n = h - 206. Solve 0 = -n*i - 2*o + 7, -4*i = -5*o - 0 + 6 for i.
1
Suppose -8*b + 3*b = 4*t + 44, -3*t = -3*b + 6. Let l be (11 - -4) + -1 + (-3 - t). Solve 0 = -z - 4*m - 14, z + 3*m + 2*m = -l for z.
-2
Suppose 8 = 2*u, 5*j + 9*u = 5*u + 31. Let f be (-4)/(-2) + (1 - (-4)/(-4)). Solve -m + f = -2*q - 0*q, 3*q = -j for m.
0
Let q = 2886 + -2882. Solve -o = -9*b + 14*b + q, -2*b + 4*o + 16 = 0 for b.
0
Suppose z + 17 - 44 = -4*u, u + 7 = z. Solve 15 + 7 = 5*v - 2*y, 0 = 4*v + 5*y - z for v.
4
Suppose 3*v = -5*q + 80, 0 = -q - 81*v + 85*v + 39. Solve 3*p + 2*j - 2 = 11, -j = 4*p - q for p.
5
Let r(d) = 24 - 7*d**3 - 4*d**2 - 4*d**2 + 6*d**3 + 0 + 22*d - 1. Let a be r(-10). Solve q - 2 = 3*i - 5, -a*q - 3*i = -3 for q.
0
Let y = 1933 + -1930. Solve -5*r = 4*m + 23 + 7, -y*m + 2*r = 11 for m.
-5
Suppose 4*d - 5*d = 5*d. Solve -l + 10 = -5*k + 31, k + l - 9 = d for k.
5
Let m be 2/20*16 + (-108)/30 + 4. Solve 0 = -5*f + m*u - 3 + 2, 5*u + 7 = 3*f for f.
-1
Let a be (1/(-2))/(1*(-5)/890). Suppose -3*m = 3*g - 252, -3*g - 82 = -5*m - 350. Let x = a - g. Solve 5 = c + l, 7*l - x*l + 4 = 2*c for c.
4
Suppose -136*b + 64*b = -59*b - 65. Solve g - 2 = 36*w - 35*w, 2 = w - b*g for w.
-3
Let l be -37 + (-1 - -7) + -5. Let w be (l/(-30))/(8/60). Solve 5*n = a + 1 - 9, w = -3*n + 2*a for n.
-1
Let q(c) = -c + 6. Let z be q(-2). Let b(l) = -6*l - l + z*l + 2. Let x be b(3). Solve -o + 13 = 2*u + 2*u, 4*o - x*u - 10 = 0 for o.
5
Let y(k) = -17*k - 6. Let t be y(-3). Let m = -43 + t. Suppose m*s + 4 = -j, -3*s - 1 = 5. Solve -3*w - w - 5*g + 15 = j, 3*w = 2*g + 17 for w.
5
Suppose 1082 = 4*i + 2*k, 5*i - 5*k = 9*i - 1079. Let w = i + -267. Solve 4*a - 3*a + 8 = 3*n, 4*n = -w*a + 16 for a.
1
Suppose -61*y + 497 + 235 = 61*y. Solve 2*d + 1 = 5*u - 0*u, 0 = -2*d - y for u.
-1
Suppose 0 = 3*u - 2182 + 2179. Solve 5*l - r = -6*r - 5, 0 = 5*l + 8*r - u for l.
-3
Suppose -23 = -2*a - 4*n - 5, -a - 4*n = -17. Let r be 4*5*a/5. Solve 0*m - 2*m + 2*i + 12 = 0, 0 = -r*m + 3*i + 21 for m.
3
Suppose 0 = 19*r + 17*r - 180. Suppose -5*v + 70 = -10*a + 5*a, v - 18 = r*a. Solve 7 = g - 2*o + 1, 3*g - o - v = 0 for g.
4
Let u(i) = i**2 - 24*i + 144. Let t be u(14). Solve 0*s = t*s - 8, 4*f = 2*s - 24 for f.
-5
Suppose -3668*a + 21143 - 2803 = 0. Let n = -3 - -6. Solve -8*z + 4*z + n = a*r, 2*z = 5*r - 21 for r.
3
Suppose 4*i + 2*b + 4 = 0, -191*b - 16 = -2*i - 189*b. Solve -9*v + 5*v - 26 = 5*y, -4*v = i*y + 20 for v.
-4
Suppose 0*a + 2*a = -6, 5*o - 4*a - 62 = 0. Let x(d) = -2*d**3 - 25*d**2 - 63*d + 9. Let k be x(-9). Solve -3*v = -2*r + k, 3*r - o = v - 0*r for v.
-1
Let v = 30 - 28. Suppose 10 = v*y, 2*y = d + 14 - 2. Let o =