Let u(n) be the second derivative of -n**5/20 - 3*n**4/4 + 13*n**2/2 + 2*n. Let i be u(-9). Solve 4*z + i = -3 for z.

Let a(i) = i + 19. Let o be a(-9). Solve 3*d = 5 + o for d.

5

Suppose 12 = 2*q - 10. Let j = -9 + q. Solve x + j = -x for x.

-1

Suppose -2*d - 2*c - 10 = -3*d, 4*d = -2c. Let x be ²⁄₃(-18)/d. Let w = 11 + x. Solve -3*h - w = -8*h for h.

1

Let b = 8 - 4. Let r be b/5*⁵⁄₂. Suppose -2*z + 5*s + 12 = 0, z = -3*s + r - 7. Solve 2*o = -9 - z for o.

-5

Let l(x) = -x + 10. Let i be l(8). Suppose 2*t = 2*b - 24, 0 = -4*b - 4*t + 16. Solve 0*y - i*y - b = 0 for y.

-4

Suppose 0 = j + 5*u + 12, u = -3*j - 2*j + 12. Let k(a) = a**2 + 5. Let n be k(-4). Suppose 8*o - 4*d = 3*o + j, -5*d = 2*o - n. Solve -o*g = -g for g.

0

Let t be 4/(-5)*(-15)/(-3). Let o be (-12)/8*t/3. Suppose -a - 1 = o*f - 4, 20 = -4*a. Solve -f - 2 = 2*g for g.

-3

Let t be (18/(-15))/((-1)/(-5)). Let w(p) = p + 6. Let b be w(t). Solve b = c - 5 for c.

5

Suppose 3*s = 16 + 17. Let d = -8 + s. Let w = 16 - 14. Solve -2 = -d*m + w*m for m.

2

Let n be (-1 - 2)/(-1) + 3. Let v be ⁸⁄₂₈ + n/(-21). Solve -15 = -v*c - 3*c for c.

5