(12). Solve -20 = -a*y - j, 5*y - 2*j = 3*j + 50 for y.
5
Let h be 18/(-24) + 21/(-4). Let a = 6 + h. Suppose a*u = -3*u. Solve c + 2 = 2*g - 11, u = -4*c + 2*g - 28 for c.
-5
Suppose 4 = 5*s - 4*s. Solve 3*f + 2 = -s*w - 4, -w = 2*f + 4 for w.
0
Suppose 0 = -2*q + 36 + 20. Let f be q/12 + (-2)/6. Let o be (-2 - 0) + (-1 - -3). Solve -f*d + o*d = 3*j - 13, 15 = -5*j + 4*d for j.
1
Let q = 21 + -6. Suppose 2*b - 3*j - q = -3*b, 5*j = 2*b - 6. Suppose 4*o + o + 16 = -d, 0 = d + b*o + 8. Solve -1 = -2*a + 3*y, d*a + y - 2*y - 17 = 0 for a.
5
Suppose 7*o - 5*o = 0. Solve 0 = -5*y + b + 2, 3*y + 0*y - 2*b - 4 = o for y.
0
Suppose -5*h = -3*h. Solve -5*x + 5*u + 3 + 17 = h, -u - 5 = 0 for x.
-1
Suppose 0 = -4*g - 2*m + 10, -7 = -5*g - 2*m + 8. Let q = 20 + g. Solve j = 5*r + q, -2*j - 3*r = j + 15 for j.
0
Suppose -2*z + 3*z = -3*n + 14, 4*z = 2*n. Solve 0 = 2*x + w - 5 + 2, -z*w = 3*x - 2 for x.
4
Let y = 7 - 6. Suppose 1 = p - y. Solve 0 = -4*k + 5*m - 36, k - 2*m - p*m = -20 for k.
-4
Suppose -5*q = -4*q - 5. Suppose 3*k = 11 - q. Solve k*s + 3*t = 15, -t - 3 = -5*s + 3*s for s.
3
Let f(h) = h**3 - 5*h**2 + 2*h - 1. Let i be f(2). Let c = 9 + i. Solve 2*w - 2 = c, t - 4*w = 5*t for t.
-1
Let c be (2 + -4)*12/(-12). Solve 3*s + 15 = 0, 0*w + s = -c*w - 7 for w.
-1
Suppose -o + 7 = -8. Suppose 2*u - s - 9 = -4*s, 4*u + o = 5*s. Suppose 2*w - 36 = -u*w. Solve -j + 5*y - 13 = -0*j, 3*j = -4*y + w for j.
2
Suppose 52 = 2*d + 4*o, d - 2*o - 42 = -0*o. Let s be 2/(-3) - 285/(-9). Solve -5*q - l - s = -3*l, -5*q - d = -3*l for q.
-5
Let g be (-5)/(-4) - 1 - (-27)/4. Solve 0 = -3*k + 4*f - g, f + 0 = k + 1 for k.
3
Suppose -2*k - 4 + 20 = 0. Let g(q) = -q + 9. Let l be g(k). Let s = 5 - 2. Solve -l = -s*a + 5*y, 3*y + 3 = a + 2*a for a.
2
Suppose 0 = -5*v + 37 - 12. Solve -3*r = 2*u + 2*r + 10, 5*r + 45 = v*u for u.
5
Let s(h) = h**2 - 22*h + 15. Let d be s(22). Solve -t = -3*i - d, -t = 5*i - 2*t + 25 for i.
-5
Let f = 77 + -64. Solve 3*w - 13 = -r, f = -6*r + 2*r + w for r.
-2
Let q(r) = 5*r. Let s be q(2). Let z(u) = u**2 - 9*u + 6. Let y be z(s). Solve 3*h = -2*b + y + 5, 15 = 5*b for h.
5
Suppose -v = -3*v - 2*w + 10, -65 = -5*v + 5*w. Let h be 2/6 + (-3)/v. Suppose h = -b - 3 + 5. Solve -3*d + 5*c = -1, b*d + c - 9 = -2*d for d.
2
Let b(r) = -r**3 - 7*r**2 + 6*r - 11. Let d be b(-8). Solve 0 = 4*l - 6*a + 4*a, -d*l + 7 = a for l.
1
Let v be (9 - -1)*(-3)/(-6). Suppose -15 = 5*o + 180. Let q = -23 - o. Solve -4*d - v*z = -5, 3*z - q = 4*d - 9*d for d.
5
Suppose g + 4*g = 20. Solve -3*f - 22 = 5*i, 0 = -4*i - g*f + 6*f - 22 for i.
-5
Let x(v) = v**2 - 6*v + 8. Let h be x(4). Solve -2*a = 2*c, h*a = -5*c - 2*a - 12 for c.
-4
Let o = 15 + -10. Solve a + 5*v = -2, 2*v - 7*v = -o*a + 20 for a.
3
Let z(w) = w**2 - 13*w + 14. Let o be z(10). Let t = -11 - o. Solve -2*q + 12 = -2*f, f = t*q + 6*f + 10 for q.
2
Let o be 3 - (0 + (4 - 1)). Solve 4*i + o*d - 2*d + 26 = 0, -3*i = -5*d + 30 for i.
-5
Let s = -70 - -72. Solve -k - 18 = -3*b, 5*b - s*k - 37 = 2*k for b.
5
Suppose 8 = j - 3*a, -3*j - 4*a = -2*j - 8. Suppose c + j = 5*c. Solve -h + 2*l + 3 = 0, 0 = -2*h + 5*l - 3*l - c for h.
-5
Let m = 30 - 27. Solve -4*y - 5*j + 5 = -m*y, 2*j = -5*y + 2 for y.
0
Let q(h) = h**3 + 5*h**2 + h + 7. Let s be q(-5). Solve -t = -4*p - s, p - 2*t + t = -2 for p.
0
Let l(i) = 2 - 4*i + 0 - 5. Let d be l(-6). Suppose -t - 28 = -4*u + t, -t + d = 5*u. Solve 0 = -4*h - h - 4*z - 29, -u*z = -2*h - 5 for h.
-5
Let h(r) = 6*r - 19. Let u be h(4). Solve 3*n + 5 + 2 = u*v, 3*v - 11 = -5*n for v.
2
Let i = 3 - -2. Solve 3*p = -5*s - 2*p + 15, -i*p = -4*s + 30 for s.
5
Suppose -y = 3*y - 5*y. Solve -3*p - 3*j - 4 = -j, j - 4 = y for p.
-4
Suppose 2*v = o - 13, 4*v = -o + 21 - 56. Let y = -8 - v. Suppose -12 + 4 = -2*g. Solve s - 3*x - 1 = y, 5*s - 5*x + g + 1 = 0 for s.
-2
Suppose -w = -5*c - 39, -2*w + 60 = 3*w + 2*c. Suppose 3*y + 5 = w, 3*y = 3*q - 3. Solve -q*h + 6 = -s + 6*s, 2*s = -4 for h.
4
Let q(z) = -z**2 + 10*z + 2. Suppose 2*j - 6 = -2*s + 6, -2*j + 2 = s. Let g be q(s). Solve g*r + 3*c - 3 = -2*r, 3*c = 3 for r.
0
Suppose 32 + 4 = 6*i. Solve -a + i = 4*n + 17, -4*a - 2*n = -12 for a.
5
Suppose 0 = y - 2. Let c(p) = p**2 - 11*p + 3. Let r be c(11). Solve 4 = -2*h + y*s, -s = r*h - 0*h - 2 for h.
0
Let y be (-2 - (2 + -3))*-3. Suppose -y = -v + 1, 3*o - 3*v = 0. Let i be ((-1)/(3/(-15)))/1. Solve -3*x + 7 = -m, -i*x = -o*m + 1 - 8 for x.
3
Let m(t) = -3*t + 26. Let y be m(7). Solve 4*k - 5 = 2*w - 7*w, 50 = -5*k + y*w for k.
-5
Let l be (2 - 2)/(1*-1). Let m be ((-33 + 6)/9)/(6/(-4)). Solve -12 = -l*z - 2*z - v, -m*z - 4*v = -18 for z.
5
Let g be (-4)/(-18) + 102/27. Solve 2*t = 3*f - 15, 5*f + t - g = 8 for f.
3
Let m(a) = a**2 - 2*a + 2. Let h be m(3). Let i(n) = -n + 3. Let f be i(0). Suppose -f*z + 48 = -3. Solve 21 = q + h*p, 0*p + p = 3*q + z for q.
-4
Suppose 2*j = -2, 3*j + 6 = r - 0*j. Solve 3*n + l = 0, -3*n - r*l = l for n.
0
Let a be (-17)/(-4) - 6/24. Suppose p + a*p = 0. Solve p = -5*z - 2*g + 12, z + 6*g - 3*g = 5 for z.
2
Let x(o) = 9*o**3 + o**2 + 2*o + 1. Let g be x(-1). Let k(a) = a**2 + 9*a + 5. Let q be k(g). Solve -4*j + 26 = 2*f, q = 3*f - 10 for j.
4
Let t = 31 - 12. Solve 0 = 3*s + 4*n + t, -2 = -n - 3 for s.
-5
Let u(d) = 2*d + 1. Let r be u(1). Solve r*l - 5*l = -y - 9, -3*l + 3*y = -15 for l.
4
Suppose 0 = -2*d - 2*b - 4, -2 = 3*b + 10. Suppose -3*k + 0*k - 15 = 5*q, 5*k - d*q = 6. Solve -m - n - 2 = 0, 5*m - 3*n + 0*n + 2 = k for m.
-1
Let i(n) = 3*n**3 - n**2 + n - 1. Let k be i(1). Suppose -3*m - 14 = -o + m, -10 = -k*o + 2*m. Solve 3*p - 24 - 1 = -4*g, -o*p + 10 = g for g.
4
Let g(m) = -m + 22. Let n be g(20). Solve -n*x + 3*b - 5 = -1, 4*b - 16 = 0 for x.
4
Let d(p) = -p + 8. Let q be d(-19). Solve 8 = -2*v - 3*a + q, 4*a = -v + 22 for v.
2
Let a(m) = m**2 + 6*m + 10. Let h be a(-5). Suppose 4*i - h*s = -4*s + 6, -5*i + 5*s = 0. Solve 0 = -k + 1, -i*u - k = 2*u + 3 for u.
-1
Let m be 0/1 + (-8 - -10). Let i be 4/3*(-12)/(-8). Solve m*r + w = r - 7, 0 = i*r - 4*w - 10 for r.
-3
Suppose -5*n = -3*w - 6 - 15, -4*n = 2*w - 8. Solve -4 = -4*u, -5*m + 2*m - n*u = 6 for m.
-3
Let o = 1 + -1. Let u = 97 - 93. Solve 4*j = 4*b + 24, -j + u*b = -9 - o for j.
5
Let t = 14 + -12. Suppose -t*f + 5*s = -33, -10 = -s + 3*s. Solve -7 = b + 5*x, b - 2*x - 8 = f*b for b.
-2
Let f be (66/(-18) + 4)*(-39)/(-1). Solve 0 = 2*d - 5*s + f, 3*s = -3*d + 4*s for d.
1
Suppose -22 = -3*f + 14. Suppose 0 = -n + 4*n - f. Solve -l = -2*p + 9, -n*l + 2*l + 3*p = 13 for l.
1
Let h be (-20)/15*(-9)/6. Solve -h*q + i = 13, 2*q - i - 3 = 4*q for q.
-4
Suppose 8 + 28 = 3*q. Suppose 2*g - q = 4. Suppose -5*y - g + 3 = 2*u, 3*u - 2 = 2*y. Solve u = -3*t - 12, 4*m + 3*t + 6 = 6*m for m.
-3
Let n be 2/(-20)*-5*14. Let c be (-3)/(-1) - (1 - 0). Solve -k - c = -1, -3*k = -f + n for f.
4
Let r(q) = -q + 2. Let j be r(1). Solve -t = j + 1, 0 = -4*h + t - 10 for h.
-3
Suppose -2*d - o + 14 = 0, 2*d - 2*o = -2*d + 28. Solve d = 4*n + 3*k, -4*k + 45 = -4*n + 17 for n.
-2
Let h = -1 + 0. Let b be (5*(-2 - -1))/h. Let o(s) = s - 9. Let x be o(13). Solve b*l = -10, -x*l = -f + 1 + 7 for f.
0
Let z = 0 - -4. Let o be 6/(-3) - (2 + -3). Let j = z + o. Solve j*m - 4*t = -m, t = 2*m for m.
0
Let f(j) = j**3 - 8*j**2 - 3*j - 10. Let v(l) = -l**2 - 1. Let p(b) = -f(b) + 6*v(b). Let i be p(3). Solve i*r = 11 + 5, 4*k + 4*r - 28 = 0 for k.
3
Suppose 2*x = 3*j - 75, -4*j = 4*x + x - 100. Let z = j + -9. Solve 3*w + 2*i + 12 = -0, -3*i + z = -4*w for w.
-4
Suppose -2*w + 5*w - 5*t - 65 = 0, -2*t + 160 = 5*w. Suppose 1 - 2 = 3*m - 2*a, -5 = 5*a. Let i = w - m. Solve 0 = -5*j + 4*y + i, 18 = 2*j - 5*y - 8 for j.
3
Let v(r) be the first derivative of r**3/3 - 2*r**2 + 4*r + 6. Let h be v(4). Solve 4*m - h*t = -20, -2*m + 4*t = -0*t + 20 for m.
0
Suppose 5*f - 16 = -3*y, 4*f - 8 - 4 = -2*y. Solve -5*k = -25, -8*k + 3*k + 35 = -y*v for v.
-5
Let l(h) = -h + 9. Let k be l(7). Suppose 16 = 3*s + 4. Solve c + k = -c - 2*r, 2*c - s*r = 22 for c.
3
Let t = 5 + -3. Suppose 8 = t*a + 2*z, 3*a - 9 = 5*z + 11. Solve x + 6 = 4*x, 0 = a*r - 4*x - 7 for r.
3
Let p(i) be the second derivative of -i**3/6 + 7*i**2/2 + 5*i. Let q be p(4). Solve -3*h + 0*d - q*d = -9, -3*d = -4*h - 16 for h.
-1
Suppose 3*o - 13 = -n,