Let z(o) = o**3 + 4*o**2 - 6*o - 3. Let t be z(-5). Suppose -5*x + 115 = 5*b + 30, t*x + 4*b - 44 = 0. Solve -2*k + x = 2*k for k.

Let u be ⁴²⁄₄ - 21/(-14). Suppose 4*i + u = 2*p, -5*p + 30 = -4*i - 0*i. Solve 0*b + 2*b - p = 0 for b.

3

Suppose 3 = 3*t + v, -4*t - 2*v = 1 - 7. Suppose 3*u + 40 = 7*u. Let k = u - 10. Solve t = -k*i - 5*i for i.

0

Suppose 2*m = -5*v + 22, -7*v + 2*v + 25 = 5*m. Let n = -3 + 9. Solve 0 = -n*c + v*c for c.

0

Let z be 2 + -1 + (17 - 18). Solve z*f = -4*f for f.

0

Let z(u) be the first derivative of u⁴⁄₄ + 7*u³⁄₃ + 5*u**²⁄₂ - 5*u - 5. Let l be z(-6). Solve c = -l + 5 for c.

4

Let n = 80 - 76. Solve 1 = -5*o - n for o.

-1

Suppose 1 = 3*f - 5. Solve -4*m + 8 = -f*m for m.

4

Suppose -5*w - 8 = -3w. Let d be 3 + w - 5-1. Let t = 4 - 1. Solve -d*r = -t*r - 4 for r.

4

Let o be (6/(-18))/(2/(-6)). Suppose -2*m = m + 12. Let n = 5 + m. Solve -o - n = 2*t for t.

-1

Let n© = -2*c - 7. Let q be n(-6). Solve 8*a - 3*a = q for a.

1