Suppose -4*r + 13 = 5*q, -q + 6 = 5*r - 5*q. Solve -7*w - 25 = -r*w for w.

-5

Let h© = -4*c - 1. Let w(f) = -2*f. Let n(i) = 2*h(i) - 5*w(i). Let d be n(4). Solve -3*y = -0 - d for y.

2

Let m = 42 - 40. Solve -m = d + 2 for d.

-4

Suppose -5*q + 1 = 2*d, -2*d - 6 = -2*q - 0*d. Let t be (-9)/(-9)*3*q. Let w = t - 0. Solve -5*y = -w*y for y.

0

Suppose q - 4*n + 0*n = 0, -2*n = q - 6. Suppose 4*y - 4*w + 5 - 1 = 0, -q*y + 2*w = -6. Solve -4 = y*x - 2*x for x.

-2

Suppose 3*u + 0*u - 6 = 0. Let y = u + -2. Solve 4*i + i - 5 = y for i.

1

Suppose 2*p + 12 = -2*z + 4, 2*p - 2*z = 8. Suppose p = -5*o + 44 + 16. Solve x - 4*x = -o for x.

4

Let m© = -2*c + 48. Let t be m(20). Solve -5*h + 12 = -t for h.

4

Suppose -4*y + 12 + 0 = 0. Suppose -31 = -4*l - y. Solve 16 = -3*n + l*n for n.

4

Suppose -2*a - a + 15 = 0. Solve 0 = d - a + 4 for d.

1