Let o = 667 + -665. Let x be ((-9)/(-2))/((-6)/(-8)). Solve -4*k = x - o for k.

Suppose -6 = -w + 4*m - 3, w + 2*m + 3 = 0. Let k(d) be the second derivative of d⁴⁄₁₂ + d³⁄₃ + d**²⁄₂ - 2*d. Let s be k(w). Solve 0*g - 5*g - 20 = s for g.

-4

Suppose -4*r - 18 = -4*s - 2*r, -3*r - 3 = 0. Suppose s*m + 8 = 2*m + 4*z, -z - 1 = -2*m. Suppose -m*c = 3*c. Solve 3*h - 6 - 6 = c for h.

4

Let n = 13 + -13. Let h = n - -5. Solve 4*s = h*s for s.

0

Suppose 2*k = 2*u, -3*u + 40 = 5*k + 2*u. Suppose 0 = -k*a - 0*a. Solve a = -5*r + 15 - 0 for r.

3

Let w = 1 - 0. Let d = w + -9. Let j = -4 - d. Solve -j*z - 20 = z for z.

-4

Let j(f) be the third derivative of f⁶⁄₁₂₀ - f⁵⁄₁₀ + f⁴⁄₂₄ - f³⁄₂ - f**2. Let v be j(6). Solve -v*u = -2*u for u.

0

Suppose 4*s + 75 = 7*s. Suppose 6*i - 7*i + 6 = 0. Solve i*a = a - s for a.

-5

Let o = -5 + 1. Let q be (-1 - o/2) + -1. Suppose -f + 11 = 4*f - 3*c, -2*c + 6 = q. Solve u + u = -f for u.

-2

Let r(w) be the second derivative of -w⁵⁄₂₀ - 3*w⁴⁄₄ - 3*w³⁄₂ + w2 - 2*w. Let q be r(-8). Solve -5*b = q + 15 for b.

-5

Let r be (13 + -1)*(-2)/4. Let a be 2/(-3)r/2. Let i be a(-10)/4*-1. Solve i*h = h for h.

0