Let d(y) = -3 - 4*y + y**2 + y - 2*y. Let z(p) = -6*p**3 + p**2 - 1. Let a be z(-1). Let u be d(a). Solve 2 = -s + u for s.

Suppose -5*f + 3*k - 6 + 1 = 0, 5*f - 2*k = 0. Suppose 9 = r - f*y - 8, -3r - y + 23 = 0. Let t be 2 - (0 - -1)-19. Solve -3*s - r + t = 0 for s.

4

Let k(o) = o3 + o2 + o - 5. Let x be k(0). Let c be (2*x)/(-3 - -1). Solve -c*p - 2 = -22 for p.

4

Let b be (-4)/10*(-615)/3. Let n = b + -59. Suppose 3*s - 6 = h - n, -20 = 5*s. Solve -2*r = 1 - h for r.

2

Suppose 25*g = 20*g + 15. Solve -r + g = -2 for r.

5

Let d = -10 + 12. Suppose 0 = d*k + k - r - 17, k + 5 = -5*r. Solve 4*a - 15 - k = 0 for a.

5

Let r be ²⁄₈ - (⁴⁵⁄₂₀ + -3). Solve -3*z + r = -14 for z.

5

Let r(l) = -10*l + 20. Let g be r(2). Solve 3 + g = a for a.

3

Suppose 3*j + 3*o = 6, -4*j - 2o + 3 + 5 = 0. Let q be j(-1)/(-2) - -12. Solve q - 5 = -2*s for s.

-4

Let i = 4 - 4. Suppose i = -3*n + 4*c - 12, 0*c + 2*c - 6 = 0. Solve n = 2*u - 12 + 4 for u.

4

Suppose -1 = 2*r - 7. Solve 2*b = r*b - 3 for b.

3