Suppose -n + 4*n - 15 = 0, -5*f = 3*n - 105. Let l = f + -12. Solve l*u = u + 20 for u.

Suppose 0 = l + 4*l + 4*d + 23, 0 = 3*l - 4d + 1. Let m be (-4 + 3)(l - -3). Solve m*r - 4*r = 0 for r.

0

Let d = -49 + 51. Solve d*u - 2 + 0 = 0 for u.

1

Suppose -2*i - 4*x = -8, 2*i - 3*x = -0*x - 27. Let q = 10 + -14. Let g = q - i. Solve -v + 5 = -g*v for v.

-5

Suppose 0 = -4*x + 3*q, -5*x + 4*q = -0*q. Suppose -4*c + 3*c = x. Solve -4 = -2*a - c for a.

2

Suppose 0 = 4*q + i - 20, i + 22 = 3*q + 7. Suppose f + 3 = 3*t - 6, 5*f - q*t = -5. Solve 0*g + f = g for g.

3

Let s = 58 + -57. Solve -2*f + 1 = -s for f.

1

Let s be (-24)/(-9)*(-12)/(-16). Solve s*r + r + 6 = 0 for r.

-2

Suppose 4*u + 5*z = 53, -u + 3*z = u + 1. Suppose 5*r + 2*q = 35, 0 = -4*r + u*q - 2*q + 28. Solve -r*w = -2*w + 10 for w.

-2

Let n = -21 - -30. Solve -6*g + n*g + 12 = 0 for g.

-4

Let q(i) = i + 5. Suppose t = -3*t - 16. Let b be q(t). Let r = b - 1. Solve r = 4*x - x + 15 for x.

-5