Let o = 31 - 15. Suppose 7*b + o = 3*b. Let h = 6 + b. Solve -h*f - 11 = -1 for f.

Suppose -2 - 13 = -5*d. Solve -d = y - 1 for y.

-2

Suppose 2*k = -r + 2*r - 6, -2*r + 5*k + 11 = 0. Let o(f) = -f + 10. Let j be o®. Solve j*v = -2*v - 20 for v.

-5

Let x(u) = u**2 - 3*u + 7. Let b be x(4). Solve -b*w = -6*w + 25 for w.

-5

Let o® = -5 - 5 + r - 3*r. Let j be 4/(-10) - (-132)/(-20). Let m be o(j). Solve -m*q - 15 = q for q.

-3

Suppose -5*u = 4*s - 0*s + 48, 4*s + 4*u = -44. Let z = -4 - s. Solve -z = -b - 0*b for b.

3

Suppose 4*n + 5 = 5*n. Solve 2*v = -3*v + n for v.

1

Suppose -5*r + 18 = -2*s, 3*r - 22 = 3*s + s. Solve -2*k - r = -0 for k.

-1

Let k be 3 + 1 + -4 + 3. Solve -2*w = -k - 3 for w.

3

Let s(x) = -x3 + 1. Let j(l) = -l3 - 5*l**2 + 5*l - 8. Let n be j(-6). Let d be s(n). Solve 3*z - 3 - d = 0 for z.

4

Suppose 12 = 8*h - 4. Solve h = a - 1 for a.

3