12. Suppose 13*b - 22 = -2*g + o*b, 20 = -5*b. Solve 0*n - 16 = -4*n + 3*d, n + 5*d + g = 0 for n.
1
Let b(y) = -15*y - 192. Let o be b(-13). Solve 13 = -39*d + 41*d - 5*i, -3*i = o*d - 9 for d.
4
Let f = -331 + 566. Let z be 6/((-6)/21 + f/455). Suppose j = 5*j - 16. Solve 4*s = -2*w + z + j, -w = 3*s - 20 for w.
5
Let c = -8783 - -8786. Solve c*r + 35*z = 39*z + 1, 0 = -r - 5*z + 13 for r.
3
Let t(l) = -l**2 - 18*l + 660. Let p be t(18). Solve -3*x + p = -4*q, 12*x - 10*x + 15 = -5*q for x.
0
Suppose -22*o - 4*v + 6 = -19*o, -2*o + 4 = 5*v. Suppose -2 = -o*f - x, 0*x + 5*x = -5*f - 5. Solve f*q + 0*j + 23 = 5*j, 0 = -q - 4*j + 15 for q.
-1
Let r(g) = -13*g - 26. Let b = -257 - -255. Let l be r(b). Solve -4*d - 21 = 3*m, 3*m + l*m - 5*d = 6 for m.
-3
Let q(y) = y - 6. Let l be q(11). Suppose l*d + d - 30 = 0. Suppose -d*r - 2*j + 4 = 0, -4*r + 2 = j + j. Solve -5*a - 5*o = 15, -5*o - 16 = r*a + 2*a for a.
1
Suppose -7 = -5*u - 14*t + 15*t, -u + 14 = 4*t. Suppose 0 = j + 32 - 37. Solve 3*r - u*x = -x + 20, 2*r = -x + j for r.
5
Suppose 0 = -2*w + 6*w - 8. Let l = 675 - 702. Let r be 1/6*l*(1 - 3). Solve -j + 3*u - 3 = 0, j + w*j + 4*u + r = 0 for j.
-3
Let u = -2783 + 2784. Solve 0 = -5*n - 2*v - u, -4*v = 4*n - 12 + 8 for n.
-1
Let n be (-272)/(-40) + 66/30. Solve 2*l + n = 7*l + a, l - 3*a = 5 for l.
2
Suppose -302 = -295*b - 25*b + 338. Solve -3*l + p - 11 = 0, 1 = 3*l + 4*p + b for l.
-3
Let h be (-5 - (-16 + 18)) + 14. Solve -c = -6*k + 10*k - h, 3*c = -5*k + 14 for k.
1
Let g(d) = -7*d - 42. Let l be g(-7). Suppose -3*b - l*t + 4 = -8*t, t - 2 = 0. Solve k = b*k - 3, -5*v - 4*k + 12 = 0 for v.
0
Let c be -1 + 3 - 4 - -11. Suppose -3*k - 10 = -52. Let t be ((-74)/k - -5)/(2/(-14)). Solve 3*v + 2 = -n, -4*v = t*n - 7*n + c for n.
1
Let v be 7308/156 + (1/39)/((-8)/(-48)). Solve 4*a + 83 - v = 4*j, -4 = -j for a.
-5
Let y = -7 + 11. Let t(f) = 4*f**2 + 27*f - 24. Let b be t(-7). Let j(n) = 3*n**2 + 52*n + 47. Let w be j(b). Solve q - 3*c = 11, -y*q + 6*c + w = c for q.
5
Let r be (-2)/(-5) - (-126)/35. Suppose -5*y + r*p - 2 = -2*y, 4*y - 2*p = 4. Let o = 3 + y. Solve -2*d = 3*x - 4, 0*x - 16 = x + o*d for x.
4
Suppose 421*b + 4 = f + 420*b, 2*b - 16 = 0. Solve 3*g - 3*s = 6*g + f, 4*g = 3*s - 2 for g.
-2
Let t be (-2)/5 + (-6)/10. Let m be (-19)/t + 1/1. Let b(j) = -1147*j + 78003. Let o be b(68). Solve -s - o = -z, -5*z - 2*s = -4*s - m for z.
2
Suppose -5*x + 123 = 48. Let k be (2 - (35/x - 1))*3. Solve 3*r - k*c + 4 = -1, -4*r - 4*c = 40 for r.
-5
Let i(k) = -2*k**3 - 3*k**2 + 5*k - 2. Let q be i(-3). Suppose q*d - 132 = -12*d. Solve 2*g = -6, 3*s + g - d*g - 3 = 0 for s.
-4
Let f be (1/(-2))/((-4)/8). Let a be ((-12)/9 + f)/(3/(-108)). Let r(n) = -n + 12. Let h be r(a). Solve 4*t + 4*p - 16 = 0, t + h*t - p + 2 = 0 for t.
1
Suppose 2*w - 527 = 4*s - 469, 3*s - 69 = -3*w. Solve -3*r + w = -5*g, -r + 41*g - 38*g + 11 = 0 for r.
5
Let k = 18861 + -18858. Solve w = -k*z + 9, 0 = 3*w - 38*z + 34*z + 12 for w.
0
Let w(c) = 16*c**3 - 3*c**2 + 2. Let i be w(1). Let b = i + -15. Let g be (b + 0)*(9/3)/3. Solve -2*z - 8 = g, -2*z + 2 = 3*a + 2*a for a.
2
Let q be (414/16)/(-69) + (-99)/(-8). Solve -3*l + 5*l - 2*k - 6 = 0, q = -l - 4*k for l.
0
Suppose 4*a = 77*z - 82*z + 12, z = -2*a. Solve 2*u = u - z*y - 11, 19 = -5*u - 2*y for u.
-3
Let m(j) = 47*j + 1418. Let p be m(-29). Solve 2*n - 58*s + p*s = 0, -5*n - 2*s = 19 for n.
-3
Let y = -803 - -808. Solve 3*d = -5*a - 9, -2*d - y*a - 6 = 5 for d.
2
Let z be ((-1)/(-3))/(3/18). Let m be (-27)/z*(2 + (-4)/1). Solve 3*q + 5*u - m = -0, -3*q - 3 = -5*u for q.
4
Let w = 3832 + -3827. Solve 5*m - 3*m + 31 = w*c, m = 5*c - 28 for m.
-3
Let k be (2/6)/((-11)/(-9306)). Suppose 290 = 8*g + k. Solve y - g = -4*u - 0*u, u = 4*y - 21 for y.
5
Let k(f) be the third derivative of -f**4/8 + 38*f**3/3 + 2*f**2 - 5*f. Let v be k(24). Solve -5*a = -v*t + 16, 9 = 2*t - a + 1 for t.
4
Let p be ((-1)/(-4))/((-30)/(-240)). Solve -3*d - 17 = -a, -2*a = p*d - 3 + 1 for a.
5
Let k(b) = -b**3 + 6*b**2 + 2*b + 5. Let z be k(5). Let h be 6/(-16) + 215/z. Solve -h*t + 12 = 2*f + 2*f, f - 3*t = -14 for f.
-2
Suppose 24 = 2*s - 4*p, s - 3*p = 3*s - 31. Let m = -17 + s. Let z be 1*(m - (-2 + -6)). Solve -z*k = 2*h - 12, h + k + 2 = 5 for h.
1
Let d(a) = a**2 + 70*a + 89. Let s be d(-69). Suppose 13 = 5*g + 2*l + 38, -2*g = l + 11. Let n = 1 - g. Solve -h - n = -4*o, 6*o - o = -5*h - s for h.
-4
Suppose 0 = -8*p - 942 + 70. Let x be (-545)/p - 2/2. Solve 4*l - 12 = -x*h + 2*l, 4*l + 1 = -3*h for h.
5
Suppose 137 = -11*g - 137 + 274. Suppose -4*m + a + 40 = 0, -2*m = 4*a + 5 - 25. Solve -4*s + g*c = 2*c - m, 0 = -5*c - 15 for s.
4
Suppose -1307 = -11*l + 530. Suppose 0 = l*q - 163*q - 20. Solve 0*g + q*g = 4*f + 25, -3*f = 4*g + 11 for g.
1
Let l(z) = -z**2 - 109*z - 2757. Let m be l(-69). Solve 4*q = -m*w - 38 + 17, 2*w + 9 = -q for w.
-3
Suppose 3*y + 58 = 4*i - 110, -3*y - 5*i = 141. Let p be 4 - (51/(-12) - 13/y). Solve -p = 4*j - 4*m, -j + m = 2*m for j.
-1
Suppose -15*o - 6 = -6. Suppose o*z = 2*z. Solve -3*w + 5*u + 25 = -z*w, 0 = -4*u - 8 for w.
5
Let x be 25/((-6)/(-69) + 21/23). Solve o + x = 5*o + q, 2*o = 2*q for o.
5
Suppose 3*c + 49 = -4*q, -4*q + 5*q + 2*c = -16. Let v be 546/130 + 2/q. Suppose -4*u + u = -12. Solve -2*r - u*k = -0*k, v*k - 4 = -3*r for r.
4
Suppose -3*y - 6 = 5*m - 1, -5*y - 5*m + 5 = 0. Suppose 3*w = d - 16, -3*w - 4 = -2*w. Solve 6*b - 9 = d*u + b, -y = -5*b for u.
-1
Let s = -6 - -23. Let z(t) = -t**3 + 17*t**2 + 2*t - 30. Let b be z(s). Suppose 0 = -2*d + 3*i - 4, 4*i + 4 = d + b*d. Solve 0 = 5*o, m + 4*o + d = 5*m for m.
1
Let t be 8/(-28) + 12/(-7) + 317. Suppose 10*w - 25*w = -t. Solve 4*r = 3*o + 2*o + w, -2*o - 5 = -5*r for r.
-1
Let l = 124 + -654. Let k = 535 + l. Solve 5*i = -3*o + k, i + 6*o - 1 = o for i.
1
Let d = -1958 + 1962. Solve 5*g - z = -6*z - 40, -d*g - 5*z = 36 for g.
-4
Let r(a) = a**2 + 8*a - 7. Let l be (-84)/9 - 1/(-3). Let h be r(l). Suppose -49*u - 89*u + 552 = 0. Solve -o = -h, 0 = -5*d + u*o + o - 30 for d.
-4
Let g(t) = 73*t - 505. Let f be g(7). Solve q + 3 = 38*x - 37*x, -x - 2*q = f for x.
0
Let z = -1183 + 589. Let l = -591 - z. Solve -p = -5*y + 20, -5*y - l*p = -p - 35 for y.
5
Let c(f) = -229*f**2 - 2290*f + 2. Let w be c(-10). Solve 4*k = w*k + a + 4, 0 = -k - a + 5 for k.
3
Suppose -112*v + 108*v = 3*y + 4, -v - 8 = -y. Solve -7*k = -c - y*k - 13, 0 = 4*c - 2*k + 12 for c.
-1
Let z(q) = -q**3 + 3*q**2 + 286*q - 1123. Let k be z(4). Solve 5*h + k = 3*l, 0 = 4*l + 12*h - 15*h - 3 for l.
0
Let o(w) = w**3 + 9*w**2 + 16*w - 6. Let n be o(-7). Let q = 24 + n. Solve -4*j - 29 = 5*h - 4, -j - 9 = q*h for h.
-1
Suppose -48 - 4 = -4*j. Let i be (-7)/1 + (0 + 3 - 2). Let r be i*(-42)/18 + -7. Solve p - 27 = 5*u, -4*u - r = j for p.
2
Suppose -22 = -9*y + 5*n + 35, 5*y + 5*n + 15 = 0. Solve 0 = -g - 5, -11*l + 40 = -6*l - y*g for l.
5
Let o(l) = -9*l - 79. Let k be o(-9). Suppose 3*a + k*p - 29 = -1, 6 = 3*p. Solve -4*q - 4 = a, -u - 3 = 2*q for u.
3
Let r = -1022 + 1025. Let o = -43 + 45. Solve 2*y = r*p, -2*y - o + 4 = -4*p for y.
-3
Let y = 303 + -308. Let h be (3/(-12))/(y/60). Solve 0 = 3*v - 3*m, -v + 3*v - h*m - 2 = 0 for v.
-2
Suppose -q - 11*q - 7*q = -57. Solve 5*r = -4*m + 36, -q*m - 3*r = 2*r - 32 for m.
4
Suppose -4*w + 12 = -4*p, 3 + 55 = 3*w + 4*p. Solve 5*c - 1 = -3*s, s - w = 5*s + c for s.
-3
Suppose 40*q + 28*q = q + 134. Solve q*d - 5*i - 9 = 0, -2*d - 5*i = -d + 3 for d.
2
Suppose -4*n + 6*n = -9*n - 11*n. Solve 6 = -3*d + 3*x, 2*d + 2*x + 12 = -n*d for d.
-4
Let s = 941 + -916. Suppose 0 = 162*y - 157*y - s. Solve 0 = -2*p - 4*z + 18, 4*z - 19 = y*p - 6*p for p.
-1
Suppose 5*o + 2*y = 90, y = -48*o + 52*o - 59. Solve 17*u + 4 = 16*u, 0 = -4*p + u - o for p.
-5
Suppose -4270*p + 4282*p = 288. Let h be -1 - (-2 + 3 - 2). Suppose h = -5*a + 4*n + 4, 3*a - 2*n + 1 = -3*n. Solve a*l + 4*w = -4*l - p, 5*w = -l - 26 for l.
-1
Let f(d) = d**2 - 6*d - 3. Let l be f(8). Let s(u) = u**2 - 14*u + 13. Let h be s(l). Solve -i - 4*c = 21, 3*i - 4*c = -h*c + 17 for i.
-1
Suppose 5*q - 13 = -3. Let y(j) = -j**3 - j**2 + 21*j + 39. Let a be y(-2). Solve 4*o = -2*h - 7 + a, h = 3*o + q for o.
-1
Let m be (0 - 9)*13/13. Let w be (3 + m)/(-2) - (-6 + 6). Solve