 c.
4
Let x(s) = s**2 - 7*s + 2. Let a be x(7). Solve -2*b + 2 + a = -2*k, -6 = -2*b for k.
1
Suppose -3*o + t + 3 = -2*t, 0 = 5*t - 5. Suppose -10 = -4*y + o*y. Solve -20 = y*u + s, -5*s + 2*s = 3*u for u.
-5
Suppose 0 = 5*b + 2*q - 35 + 10, -2 = -4*b + 2*q. Suppose 0 = -x, b*x = -3*o - 0*x + 9. Solve -3*s + 24 = -5*s + 4*k, o*s - 5*k + 32 = 0 for s.
-4
Suppose -2*z = -5*c - 14, 5*z - 2*c - 16 = c. Suppose j = z*j. Solve -6*f - y - 19 = -f, j = 2*y - 2 for f.
-4
Let j = 43 - 40. Solve -2*n + 2 = -a, j*a + 2 = 3*n - n for n.
1
Suppose -3*u + 8 = -1. Let d = 10 + -8. Suppose -3*i = d*i - 55. Solve 0*y - r = 3*y - 7, -r - i = -u*y for y.
3
Let q(v) = v**3 - 8*v**2 - v + 11. Let a be q(8). Solve 3*m + 23 = 2*z, -3 = 2*z + z + a*m for z.
4
Let z be 3/(1/(4/(-6))). Let i = z - 18. Let f = -12 - i. Solve 7 = h + 2*g, -7 = 3*h - 3*g + f for h.
-1
Let k = -88 + 91. Solve -4*t - 10 = k*u, 0 = 2*t + 6*u - 2*u for t.
-4
Suppose 5 = -5*p, 0*k - 1 = -k - 2*p. Solve -v = -k*q, 0 = 5*v + 3*q - 4 + 22 for v.
-3
Let u be -6*(0 + (-2)/4). Solve 4*r - 3*r = 4*q + 10, -12 = u*r + 2*q for r.
-2
Suppose -4*q + 3*q = 0. Let w be (2 + -3)*(q + 2). Let i be 2/(-1)*3/w. Solve 3*x - 11 = b + i*b, -17 = 4*b - x for b.
-5
Suppose 3*t - 8 = -2*r + 1, -3*t = -r - 9. Solve 5*m + 0*m = n - 8, t*m - 2*n + 9 = 0 for m.
-1
Suppose 3*a = -0*a + 9. Let d(n) = -n**3 - 6*n**2 + 8*n + 8. Let s be d(-7). Let j = a - s. Solve -3*b - 12 = -q, -4*q = b - j*b - 4 for b.
-4
Suppose 4*j = -j + 40. Solve -8 + 0 = 2*u - t, -4*t + j = 0 for u.
-3
Let h(z) be the second derivative of z**4/12 - z**2/2 + 4*z. Let b be h(4). Let t = b + -11. Solve -5*o - 37 = -3*k, 2*k + 3*o + 3 + t = 0 for k.
4
Let a(i) = -i - 7. Let w(p) = p. Let f(c) = a(c) + 2*w(c). Let v = -10 - -19. Let o be f(v). Solve -4*b - n = 4 + 2, -o*n = -b + 3 for b.
-1
Let b be ((-3)/1)/((-6)/40). Suppose -3*h - 11 = -2*w - 1, 0 = -4*w - 5*h + b. Solve -2*g + 10 = a + a, -w = -a for g.
0
Suppose -2*z - 6 = -2*d, 0*d + z - 9 = -5*d. Suppose d*m = 4*m - 4. Solve 0*g + m*g = -3*k - 13, -3*g + 5*k + 9 = 0 for g.
-2
Let k(y) = y**2 - 5*y - 1. Let o be k(6). Let t be (-23)/(-4) + (-2)/(-8). Solve -o*l + 3*r + t + 4 = 0, -2*l + 3*r + 13 = 0 for l.
-1
Let q(n) = n**3 - 4*n**2 - 4*n + 2. Suppose -2*j + 21 = 3*t, 0*j = -4*j + 12. Let c be q(t). Solve 0*y + 2*y - 11 = -5*s, -5*s - 4*y = -c for s.
3
Suppose -3*t + 5 + 7 = 0. Solve 0 = 5*n + t*j - 11, -5*j - 13 = -2*n - 2 for n.
3
Let r be 193/5 + (-2)/(-5). Suppose 0 = -5*w - w. Suppose -r = -3*n - w. Solve 4*y = y - 5*b + n, 5*y - 4*b = -3 for y.
1
Suppose -18*k + 17 = -91. Solve 0 = 2*j + i - 3, j = -j - 2*i + k for j.
0
Let o be (-112)/(-20) + (-2)/(-5). Suppose -3*i = -3*k - o, 5*i + 5*k - 30 = -0*k. Solve -3*v + i*f - 15 = 3*f, -3*f = 0 for v.
-5
Let j be 2*(-2 - (-15)/6). Suppose 4*s + 2 = 26. Solve -d + j = -m, d - s = m + m for m.
-5
Let t = -10 + 11. Solve 10 - t = -r + p, -4*r = p + 16 for r.
-5
Let a be -6*(-1)/(-2) + 1 + 6. Solve a*x + 5*v - 12 + 30 = 0, 5*x + 8 = v for x.
-2
Let f(b) = 3*b - 1. Let v be f(4). Solve 3*c - 5*u - 6 = 12, -2*u - v = -5*c for c.
1
Suppose 4*r - 29 = 5*w - 10*w, -5*w = r - 26. Solve -w*t = 3*m + 12 + 1, -3*m = 3*t + 3 for t.
-5
Suppose s = -0*s + 1. Let c be (s/2)/((-7)/(-42)). Solve -5*v = 2*i + 25, c*i + 5*v + 15 = -15 for i.
-5
Let g(w) be the first derivative of 2*w + w**2 + 2/3*w**3 - 1. Let y be g(-2). Solve -j + 2*o + 17 = y*o, 3*o + 6 = 3*j for j.
5
Let j(x) = -3*x - 1 + x + 8*x. Let z = -3 - -4. Let y be j(z). Solve -4*k - y*q = -0*q + 2, 0 = 3*k + 3*q for k.
2
Let v = 51 + -48. Solve -j + 3*j = -2, v*a + 12 = -3*j for a.
-3
Let i(c) = -c**3 - 9*c**2 + 10*c + 4. Let q be i(-10). Let j = -5 + 5. Suppose 3*z + j*z - 12 = 0. Solve -2*w + z*o + 20 = 0, -o - 3 + q = w for w.
4
Let x = -42 + 47. Solve x*k + v = -0 + 5, -4*k + 4*v = 20 for k.
0
Let o(y) = -y**3 - 4*y**2 + 2*y - 7. Let q be o(-5). Solve -4*z + z - 4*a = 6, 4*z - 2*a = -q for z.
-2
Suppose -2*o - 9 = -5*o. Suppose -o*u - u = 0. Let y be (1 - u)*-1 + 7. Solve 0 = -v - 4*q - 18, -2*v + 3*q - y*q = 16 for v.
-2
Suppose -3*q = -4*q. Solve 10 = -q*w - 2*w + x, 0 = -3*w - x - 10 for w.
-4
Suppose -2*m - 3 + 9 = 0. Let b(v) = 2*v**3 - 5*v**2 + 4*v. Let d be b(m). Solve 0 = -r - 2*t + 13, d = 5*r + 2*t - 3*t for r.
5
Suppose 2 = g - 3*t + 11, 2*t = -g + 11. Solve -2*l = -5*m - 2, 2 = 5*l + 2*m - g for l.
1
Let f(m) = -24*m - 2. Let b be f(2). Let d = b + 166. Suppose 4*u - 5*o = d, 0 = 4*u + 2*o + 3*o - 116. Solve -3*i + 3*w = 3, -4*i - 2*w + 1 = u for i.
-5
Suppose 4*t + 0*t = -g, 5*g - 4*t = 0. Solve 4*u + 2*r + 3*r + 22 = g, 10 = -5*r for u.
-3
Let y(o) = 2*o**2 - 10*o + 8. Let u be y(6). Suppose 3*w + w - u = 0. Let j = 77 - 77. Solve -2*r + j + 1 = w*d, -5*d = -5*r - 15 for r.
-2
Let s(l) = -l**2 - 8*l - 1. Let u be s(-7). Suppose 10 + u = 2*b. Solve -5*q - 20 = 4*h, -3*q + 2 = -2*h - b for q.
0
Suppose 0 = -14*o + 157 - 3. Solve -4*s - a + o + 5 = 0, 2*s + a = 10 for s.
3
Suppose -6*d - 4 + 4 = 0. Solve -n + 3*g = d, 4*g - 8 = 5*n + 3 for n.
-3
Let f = -5 + -1. Let t = -4 - f. Solve 5*x + 0 = -t*w + 7, -3*x + 17 = -2*w for x.
3
Let l be (16/(-72))/(2/(-18)). Solve 2*s + 6*v + 15 = v, 0 = -l*s + v - 9 for s.
-5
Let q = 102 + -97. Solve 5 - 10 = 5*k - q*h, -5*k - 4*h - 5 = 0 for k.
-1
Let x(y) be the third derivative of -y**5/60 + 13*y**4/24 - 4*y**3/3 + 2*y**2. Let n be x(7). Solve 3*i = 4*j - 0*i - 11, n = 5*j + 3*i for j.
5
Suppose 0 = -0*i + 4*i - 12. Suppose i*k = -4*d + 20, 7 = 3*d + 3*k - 11. Solve 0 = p - 2*c + d, -2*p - c + 2 = c for p.
0
Suppose -v - 2*v = -3. Let u be 0 - 0/(2*(-2)/(-4)). Solve w + u*w + 2 = 0, 3*g = -w + v for g.
1
Let h be (-425)/(-136) - (-1)/(-8). Solve -p + 0*p + 11 = h*w, -2*w = -2*p - 18 for w.
5
Let m = 2 + 1. Let o be m/(-2)*8/(-6). Solve 2*f - k - 11 = -2*k, o*k = -5*f + 25 for f.
3
Let j = 0 + 5. Suppose -j*v - 5 = -5*i, 0 = -i + 5*v - v - 8. Solve 1 = -3*g + i*k - 2, 0 = 5*g + 2*k + 5 for g.
-1
Let o = 7 + -3. Let f be o/(-6) - (-16)/6. Suppose -x = -f*x + 4. Solve b - 1 = 5*r, -r + 5*r = x*b - 4 for b.
1
Suppose -4*l - 2*g = -58, 4*g - 5 = l + 3. Suppose -5*j + 3*k = 2, 4*j - 2*k = 3*k - l. Solve 5*h - 25 = 2*n, j*h + 3 = -2*n - 1 for n.
-5
Let g be (-9)/(-12)*4 + 2. Solve -4*d + 2*d = 3*y - 19, y - g = 0 for d.
2
Let h(j) = j**3 + 9*j**2 + 9*j + 10. Let t be (-25)/3 - (-3)/9. Let i be h(t). Solve -i*w - 3*b + 2 = 0, 3*w - 4*b + b = -27 for w.
-5
Suppose 0 = 4*l + 5*n + 11 + 6, -4*n - 14 = 3*l. Solve 2*k - 3*x + x = 0, 4*k + l*x = 6 for k.
1
Let r = -49 + 53. Solve -r*j + 4*b + 24 = 0, -3*b + 7*b = j - 12 for j.
4
Suppose 16 - 3 = 2*v + r, -5*v = -4*r - 65. Solve -3*k = v, 2*k - 8 = -2*i + 6*k for i.
-2
Suppose -40 = k + 4*k. Let d be (k/(-12))/((-2)/(-24)). Solve 4*v + 3*r - 4*r = -d, -r = 4 for v.
-3
Suppose -2 + 22 = 4*x. Let m(w) = -w**2 - 6*w + 4. Let i(k) = -k**2 + 6*k - 6. Let a be i(6). Let g be m(a). Solve 3*o + x*z = -15 + 3, 0 = -g*o - z + 1 for o.
1
Suppose 23 = 2*f + 1. Suppose 3*v = -5*l + f, l = -3*v + 1 + 6. Solve -5*a + 1 = 3*u + 8, -v*u = a for a.
-2
Let v = 29 - 14. Solve 4*n + n - v = -3*s, -4*n + s - 5 = 0 for n.
0
Let h be (3/2)/((-12)/(-16)). Solve -h*m + 13 = -x, 3*x - 2*x - m = -9 for x.
-5
Let j(d) = -d**2 - 9*d - 6. Let x be j(-5). Solve -4*k - 20 = -4*t, -3*t = -k - x - 1 for k.
0
Let m be -4 - (-2 + 2) - -6. Solve 2*w = -2*k, m*w + 0 + 8 = 2*k for w.
-2
Suppose -2*t - 13 = -m, 3*t - 29 = 7*t - 5*m. Let h(s) = -s - 3. Let p be h(t). Solve -p*c + 17 = -l, -c - 6 + 1 = 5*l for l.
-2
Suppose 6*y - 2*y - 4 = 0. Let o = 9 + -3. Let g be (2 - 1)*o/3. Solve 21 = 5*r - g*z, 3*z + 0 - y = r for r.
5
Let b(z) = -14*z. Let g(p) = p**2 - 3*p - 5. Let w be g(4). Let v be b(w). Let f = -10 + v. Solve 0 = -3*u - f*l - 9, -5*u - 8*l - 15 = -3*l for u.
-3
Let n = 102 + -93. Solve -z + h = 3*h - n, h = -4*z + 1 for z.
-1
Let x(j) = j**2 + 11*j - 12. Let r be x(-12). Solve r = -2*l - 4*k - 18, 2*l + k = 4*l - 7 for l.
1
Suppose 0 = -3*x + 4*v - 11, 3*v = 4*x + 3. Let s(z) = 4*z - 3. Let r be (-4)/(-22) + 40/22. Let q be s(r). Solve -1 = m - x, q*m = 5*l + 30 for l.
-4
Suppose -4*q = -7*b + 3*b + 44, -2*b + q + 21 = 0. Let u = b - 5. Suppose 59 = -5*d + 284. Solve -u*x + d = -2*y - 2*y, y + 2*x = 5 for y.
-5
Let u be (-29)/2 - 5/10. Let f