Suppose -3*x = -8*x + 20. Suppose 0*d + x*d - 12 = 0. Suppose h - 1 = 0, 0*y + d*y - h = 11. Solve -r + y = r for r.

2

Suppose 5*m - 1 = 9. Suppose -5*c - 10 = 5*y, -5*c = m*y + y + 10. Solve 4*g - 3 - 1 = y for g.

1

Suppose -11 = -2*a - 5*b, 3*a - b = 5 + 20. Suppose -4*j + a = 5*r, 4*j = r - j - 19. Solve -k = k - r for k.

2

Let i be 1/(1/(-6) - 10/(-15)). Solve 5*n - 3 = i*n for n.

1

Let o(k) = k3 - 7*k2 + 7*k - 3. Let z be o(6). Let v(s) = s**2 - 2*s. Let h be v(z). Solve -h = -4*c - 11 for c.

-2

Let d = 23 + -16. Suppose -x + 4*x - d = -2*i, -13 = -3*i - 2*x. Suppose -5 = -i*u + 30. Solve u = -3*j - 5 for j.

-4

Suppose 0*q = -0*q + 7*q. Solve q*j = 2*j - 10 for j.

5

Let q = 2 - 1. Let o = 0 + q. Suppose 11 = 5*l + 1. Solve 3 = -l*n - o for n.

-2

Suppose 9*a - 2*a = 21. Solve -a = -4*s + 1 for s.

1

Let k(s) = s2 + 2*s + 0*s2 + 7*s + 9. Let c be k(-8). Suppose 0*n - n + c = 0. Solve 5 = -2*t - n for t.

-3