Suppose 0 = -15*u + 13*u + 40. Solve -4*n + 12 = u for n.

-2

Let u = -47 - -57. Suppose -b = b. Solve u = -b*s + 5*s for s.

2

Let j(b) = -3*b3 + 4*b3 + 3*b3 - 3*b3 + 4*b - 1 + 5*b**2. Let h be j(-3). Solve -d + h = -0*d for d.

5

Let u = -27 - -27. Solve -6 = -u*c + 3*c for c.

-2

Let m(z) = -6*z. Let s be m(1). Let q be 2/s - (-21)/9. Solve 11 = -q*c + 5 for c.

-3

Suppose -5*z - 5*f = -10, 10 = -4*z - 0*f + 5*f. Suppose 2*i + 4*p + 20 = z, 3*p - p = -10. Solve -4*b + i = 12 for b.

-3

Suppose -4*d = -11 - 21. Suppose -3*z + 8 = -5*u, -5*u - 40 = 3*z - 8. Let q = u + d. Solve o = 5*o + q for o.

-1

Suppose 0 = -y + 5 + 6. Let d(z) = z3 - 3*z2 - 2*z - 7. Let x be d(4). Solve -x = -5*o - y for o.

-2

Let p = 11 + -20. Let r(u) = -2*u - 12. Let f be r(p). Solve f = -0*m + 2*m for m.

3

Let w = 120 + -81. Let v = w + -28. Solve 0 = -3*n - 2 + v for n.

3