12. Solve 2 = r + f for r.
1
Suppose 4 = u + 1. Let n(z) = z**u + 0*z**3 - 1 - z**2 + z + 5 + 0*z. Let c be n(0). Solve 0 = c*y - 2*y for y.
0
Let d = -734 - -737. Solve 0 = 12*p + 51 - d for p.
-4
Suppose 450*g - 455*g = -40. Solve -6*z + 8 = -g*z for z.
-4
Let b(g) = 8*g**3 - 3*g**2 + 4*g - 4 + 4*g**3 - 10*g**3 - g**3. Let y be b(2). Solve y*f - 8 = -2*f for f.
4
Let r = 0 - -9. Let f be 1 - (-3 - 0)/(-9)*-6. Solve 6*d - r = f*d for d.
3
Let k be (-9)/(72/16)*(-7 - 2). Solve 4*s - 10*s = k for s.
-3
Let c(m) = -m - 18. Let x be c(-8). Let l = 2 + x. Let u be 0/(7/(28/l)). Solve u = 2*d + 5 + 3 for d.
-4
Suppose -63*y + 748 = -260. Solve 24 = -22*a + y*a for a.
-4
Let v = 201 - 189. Solve -v = j - 7*j for j.
2
Suppose 3*t = -9, -6*l - 19 = -8*l + 3*t. Solve l*j + 13 = -2 for j.
-3
Suppose 0 = m - 33 + 29. Let k be 34/10 + m/(-10). Solve 0 = k*f + f - 12 for f.
3
Let a(d) = d**3 + 13*d**2 - 28*d + 32. Let u be a(-15). Solve 0 = -0*q + q - u for q.
2
Suppose 0*p = -4*p - 4*d, d = -5*p. Suppose -2*k + p*w = -w + 27, 3*w + 9 = 0. Let t = 15 + k. Solve a + t*a + 5 = 0 for a.
-5
Let t = -1238 + 1245. Solve 4*q = t*q + 2*q for q.
0
Let x(t) = 2*t + 4. Let b(l) = l**3 + 6*l**2 - 2*l - 12. Suppose 2*p + 2*p + 24 = 0. Let o be b(p). Let j be x(o). Solve -3 = y - j*y for y.
1
Let n(p) = 2*p**2 + 8*p. Let o be n(-5). Suppose 4*v = 4, 5*v - o = -3*r + 4*v. Solve -13 + 1 = r*t for t.
-4
Let h(s) = -s**2 - 13*s + 41. Let d be h(-11). Solve -25 = 58*x - d*x for x.
5
Let d be (-11 - -12)*(1 + -9). Let j be (d/3)/((-10)/15). Solve j*z - 2 = 6 for z.
2
Suppose -5*a - 2*v + 18 = -57, 10 = 2*v. Solve -a*p + 18 = 5 for p.
1
Suppose 0 = a - 5*m - 13, -3*a + 5*m + 17 = m. Suppose -3*f - 2*w = -7, -2*f + a*w = f - 27. Solve 0 = -0*s + f*s for s.
0
Let c(l) = -4*l - 22. Let u be c(-25). Suppose -76*b - 20 = -u*b. Solve 3*j - b = j for j.
5
Let f be (-5 - -2) + (-15)/(-5). Suppose f*i + 24 = -4*i. Let x be (i - -3)*6/(-9). Solve 10 = -0*d + x*d for d.
5
Let g = -192 + 208. Solve 0 = -2*l - 22 + g for l.
-3
Let z be (-2 - 2)*5/(-10)*2. Let w be (6 - 4)*5/2. Let u(l) = -l**3 + 5*l**2. Let m be u(w). Solve m = z*q - 7*q for q.
0
Let k(h) = -6*h + 113. Let c be k(18). Solve c*a - 4*a + 4 = 0 for a.
-4
Let d(v) = 15*v + 5. Let q(t) = -29*t - 9. Let m(u) = -5*d(u) - 3*q(u). Let x be m(2). Let l be 56/x + 10/(-65). Solve 0 = s - 2 - l for s.
4
Let g be 17/((-136)/(-32)) - -5. Solve 11*t - g*t = 6 for t.
3
Let q be 6/15 + 460/(-25). Let w be 2/3 + (-42)/q. Solve 3*i + w - 18 = 0 for i.
5
Suppose -10*a - 720 = -2340. Let s = a + -159. Solve s*g - 2*g + 4 = 0 for g.
-4
Let u(q) = -6*q - 3. Let k(z) = -7*z - 4. Let x(p) = -5*k(p) + 6*u(p). Let m = 2 + -4. Let o be x(m). Solve 0 = -o*i - 1 + 21 for i.
5
Let s = -25 - 38. Let n be 14/s - 83/(-9). Solve 0*v - 3*v = -n for v.
3
Suppose 3*x - 5*d - 16 = 0, -2*x + 3*d + 15 = 5. Solve -x*j - j = 6 for j.
-2
Suppose 10 = 5*i, 0 = -4*b - 0*b - 4*i + 44. Solve 8 + 19 = b*m for m.
3
Let b(i) = 3*i**2 - i. Let v be b(1). Let n be 6/36 + (-310)/(-12). Suppose w + n = 5*g, 0 = 3*g - g + 2*w - 8. Solve -v*u - g = 1 for u.
-3
Let p(j) = j**3 + 11*j**2 + 11*j + 14. Let t be p(-10). Solve -10 = t*h + h for h.
-2
Let x be 5/(-2)*16/(-20). Let j = -13 - -18. Suppose x*r - 1 = -o, r - 3*r + j*o + 19 = 0. Solve -m + r = -3*m for m.
-1
Let a be (0 - -3)*(-1 - -2). Let c be a/4 - (-6)/24. Solve m = c + 1 for m.
2
Suppose 3*r + 3 + 23 = -k, 0 = 2*r - 4*k + 8. Let o be (r/12)/(2 + (-14)/6). Suppose 0 = w + 4*m - 11, 5*m = -w - 0*m + 13. Solve -20 = o*c + w*c for c.
-4
Suppose -3*s + 80 = 5*s. Let b(y) = y - 5. Let j be b(7). Solve -j*m = 3*m - s for m.
2
Suppose 12*o - 6 - 90 = 0. Solve -5*u = -7*u + o for u.
4
Suppose -3*p = -10*y + 12*y + 8, y + 4 = 0. Solve 0*b - 2*b - 2 = p for b.
-1
Let h(x) = -2*x**2 + 5*x + 4. Let r be h(5). Let y = -15 - r. Solve 3*z = 6*z - y for z.
2
Suppose -4*j + 3*r - 2*r + 319 = 0, 3*j - 222 = -5*r. Let o = -77 + j. Let d(y) = -y + 2. Let b be d(0). Solve -o*m + m = b for m.
-2
Suppose 1520 = 298*w - 278*w. Solve w = d + 18*d for d.
4
Let l(s) = 2*s**2 + s - 12. Let t be l(-3). Solve 4 = t*c - 2 for c.
2
Let p(t) = -8*t + 1. Let f be p(1). Let n = 7 - f. Solve 5*a - 34 = -n for a.
4
Suppose 5 + 15 = 4*t + i, -i + 14 = 3*t. Solve -10*v + t*v - 20 = 0 for v.
-5
Let f = -5 - -12. Suppose -4*c + 16 = 4. Let t = f - c. Solve j = -t*j - 15 for j.
-3
Let q(r) be the second derivative of r**3/6 + 7*r**2/2 + 19*r. Let l be q(-5). Solve -3 = -t + l*t for t.
-3
Suppose -3*x + 4*x = 3*n + 16, x + 5*n = -16. Suppose -5*g - 20 = -3*z, -x*g + 7 = 23. Solve v + 6 - 1 = z for v.
-5
Let a be (-2744)/21 + (-2)/(-3). Let s = 137 + a. Solve s*p = 10*p - 15 for p.
5
Suppose -25*i + 253 + 222 = 0. Solve -i*u + 2 = 40 for u.
-2
Suppose 4*u = -5*h - 17, -3*u - 2*h - 6 = -u. Let d = 70 + -67. Solve 0 = -d*m + m + u for m.
1
Let q(w) = -w. Let i(v) = 5*v - 1. Let t(j) = -i(j) - 2*q(j). Let u be t(-1). Suppose 41*r - 46*r + 15 = 2*x, -r = -3*x - 3. Solve x*m = -u*m - 16 for m.
-4
Suppose -3*n = -0*z + 4*z + 5, 5 = -z. Suppose -f + 3 = -4*f, 35 = n*k - 5*f. Suppose -k*h - 4 + 16 = 0. Solve h*t = -t + 3 for t.
1
Let b be (-54 - 1)*70/(-175). Solve 23*h - b*h = 0 for h.
0
Let l(g) = -5*g - 3*g + 2 + 2*g**2 - g**2. Let j be l(8). Suppose 0*k - 2 = -2*k, -j*k = -m. Solve 4*r - m*r = -8 for r.
-4
Suppose 1 = -2*i - c + 10, 0 = -4*i - 3*c + 19. Solve -i*x + 3*x - 4 = 0 for x.
-4
Suppose 0*a = a - 1, -5*o + 5*a + 20 = 0. Suppose -s - 2*h = -o, 0 = 3*s - 6*h + 2*h + 35. Let x be -1 + 2 - (s + 4). Solve -x*u = -u for u.
0
Suppose 3*o - 3 = 2*o. Solve o*j = j + 6 for j.
3
Let z(c) = -6*c + 91. Let h be z(13). Solve -h = 3*i - 4 for i.
-3
Suppose 0 = -2*n - 2, -2*q - 3*n + 85 = -6*n. Solve q = -x + 44 for x.
3
Suppose -5*b = 5*p - 20, 20 = 3*b + 2*p - 7*p. Solve 0 = -o - b*o + 6 for o.
1
Suppose 2 = q + 5. Let b be (1 - 5 - (-90)/3) + q. Solve 11 = 4*p + b for p.
-3
Suppose -4*s + 22 = 4*v - 2*s, 3*s = -3*v + 12. Solve -v*b + 3*b = -8 for b.
2
Suppose 58 = 4*m - 6. Suppose -4 = -a + g - 3*g, -4*g + m = -2*a. Let q be (-3 - -13)*(-1)/a. Solve 3 = -y + q for y.
2
Suppose 42 = 12*r - 6. Suppose -5*n = -7*n - r*n. Solve 4 + n = 2*l for l.
2
Let v(u) = 3*u - 73. Let y be v(25). Let o be ((-1)/1 + 1)*(19 - 20). Solve y*r = -o*r for r.
0
Suppose 5*s + 4 = 4*y - 17, -5*s = 3*y - 7. Let k(m) = 8*m - 68. Let d be k(11). Solve -y*p = -d + 4 for p.
4
Let k be 8/((-16)/(-10))*(-102)/(-10). Solve -k*m + 44*m = 0 for m.
0
Suppose -9*r = -16*r + 70. Let m be (-2)/(-1)*5/2. Let k(o) = o**3 - 5*o**2 + o - 3. Let h be k(m). Solve -h*c + 0*c + r = 0 for c.
5
Let w = -383 + 407. Solve -5 = 25*d - w*d for d.
-5
Let m(y) = y**3 - 11*y**2 - 11*y - 3. Let x be m(12). Solve j - x = -2*j for j.
3
Suppose 5*f - 14 = -2*u, -f + 3*u = -10 + 14. Solve -7*w = 37 - f for w.
-5
Let z be ((-1)/(-7))/((-9)/(-315)). Solve -z*i + 37 = 12 for i.
5
Suppose 12*l = 33 + 27. Suppose 4*a - 18 = m, 2*a = 7*a - l*m - 30. Solve -25 = -a*z - 5 for z.
5
Let d(n) = -4*n - 9. Let t(p) = -p**3 + 12*p**2 - 7. Let k be t(12). Let y be d(k). Let c = 21 - y. Solve j - c = -0*j for j.
2
Suppose 77*r - 1995 = -56*r. Solve -6*b + 3 + r = 0 for b.
3
Let d be 3 + (10 + -6)*30/(-8). Let t be ((-16)/6)/((-8)/d)*-2. Let k(n) = -n + 4. Let v be k(0). Solve -v = t*r - 4*r for r.
-1
Let p = 11 - 12. Let w = 2 - p. Suppose -w = -n + 3. Solve -x - n = x for x.
-3
Suppose 43*p - 12 = 40*p. Suppose 1 + 15 = p*x. Solve 1 = -t - x for t.
-5
Let i be (-27)/(-18) - (-2)/4. Suppose 2*a + 13 = 5*a - 5*h, 0 = -3*a + 4*h + 11. Suppose -a = -o + i. Solve 8 = -o*z - z for z.
-2
Let w(l) = l**2 + 4*l - 5. Let x be w(3). Suppose 3*u - x = -7. Solve 4*p - 11 = -u for p.
2
Let z(y) = 5*y - 70. Let h be z(15). Solve h*p + 23 = 13 for p.
-2
Suppose -5*s = -2*m - 8, -9*s + 11*s = 4*m + 16. Let c be 2/(-6) + 7/21. Suppose c = 5*f - 9 - 16. Solve f*y + 0*y = s for y.
0
Let l = 52 + -45. Solve -3 = -2*q + l for q.
5
Let a be 3/1*(2 + -1). Suppose 3*f = 3*h - 24, 0 = -a*h - 5*f - 18 + 58. Solve h = 4*r - 2*r for r.
5
Let x(g) = 24*g**2 - g. Let j be x(-1). Suppose -4*w + 10 = -f, 3*w - 614 + 613 = 4*f. Solve -3*v - f*v = j for v.
-5
Let b = -1751 + 1761. Let q = -4 + 3. Let m be q/5 + 22/10. Solve m*o = -3*o + b for o.
2
Let x be -6*(45/(-6) - -7). 