Let b = -1 - -5. Let z = 15 + -14. Solve -b*u - z + 9 = 0 for u.

Let i(l) be the first derivative of -4*l + ¹⁄₂*l**2 + 2. Let n be i(6). Solve -n*y = 2 - 10 for y.

4

Suppose -7*h = -h - 2*h. Solve 5*x + h*x = 0 for x.

0

Let a be ⁸⁸⁄₂₀ + 6/(-15). Solve -15 = -a*y - 3 for y.

3

Suppose 7*y = 5*y + 10. Solve 4 = y*l - 11 for l.

3

Suppose l + 5*z - 32 = -3*l, 3*z - 3 = 3*l. Suppose 4*o - 14 = -3*b, -l*o = -6*o - 12. Suppose -3*f + b = -4*k, f + 2 = -3*k + 1. Solve f*x = -5 - 1 for x.

-3

Suppose -28 = -12*i + 8. Solve -m - 2 = i for m.

-5

Suppose 2*v - 8 = -0*v. Solve -11 = v*y - 7 for y.

-1

Suppose i + 4*a - 32 + 0 = 0, -4*a = -12. Solve 8*y - i = 4*y for y.

5

Let t be 10 - 3 - 3 - 2. Solve t*w - 13 + 3 = 0 for w.

5

Suppose 7 - 11 = -2*v. Solve 0 = -4*i - v - 2 for i.

-1