Let k be (-2)/(-8) - 1⁄4. Suppose k = 2*y + 3*y - 15. Suppose -y*h + 63 = -12. Solve -3*f - h = 2*f for f.

-5

Let w(f) = f3 + 6*f2 - 8*f - 7. Let b be w(-7). Let s be 5 - (0 + 0)/(-2). Suppose -1 = y - s. Solve b = -y*d - 20 - 0 for d.

-5

Suppose -2 = -4*r + 22. Let x = r - 3. Let s = 0 + x. Solve s*u - 1 = -16 for u.

-5

Let d be (-1 - 16/(-6))*15. Suppose 0 = -2*f + d - 5. Suppose 6*z = z + f. Solve v + z = -3 for v.

-5

Suppose 2*f = f + 51. Let d = -7 + 4. Let a be 2/d + f/9. Solve a*t = -3 - 2 for t.

-1

Let h(j) be the first derivative of -j**2⁄2 - 6*j + 1. Let v be h(0). Let m be (8⁄10)/(v/(-15)). Solve 2*z + m*z = 4 for z.

1

Suppose -2*t - 3 - 3 = 0. Let r(y) = -y3 - 2*y2 + 2*y + 1. Let w be r(t). Suppose n + 5*g = 0, n - 3*g + w = 12. Solve 0*v = n*v for v.

0

Suppose -4*o = -4*k, -5*o + 4*k + 40 = 9*k. Solve -g + o = -0 for g.

4

Let n = -1 + 1. Suppose 5*j + 5 = 2*k - 7*k, -j = -2*k - 11. Solve n = b - j*b for b.

0

Let f(g) = -g3 + 9*g2 - 14*g + 3. Let v be f(7). Solve -2*r = 5 + v for r.

-4