Suppose 4 = 5*d - 4*d, -3*l = -5*d + 20. Suppose 0*s = 3*s. Let w = l - s. Solve -q - q = w for q.

0

Suppose 4*w - 35 = -5*x, 0 = 2*x - 4*w + 14 - 0. Solve 0 = x*s + 2 - 8 for s.

2

Suppose 3*a - 11 = -3*u + 4, -u + 14 = 4*a. Suppose -4 = -0*v - u*v. Solve -v*y - 5 = -3*y for y.

5

Suppose 0 = -h - 1, -3*u = 3*h + 2*h - 4. Suppose -u*n = -n. Solve n = -2*v - v for v.

0

Suppose 6 = 2*u - f, -2*f = 5*u - 3*f - 21. Suppose 0 = -2*s + 1 + u, -2*x - 5*s + 45 = 0. Solve k = -4*k - x for k.

-3

Let b be 90⁄21 + (-2)/7. Let c be 18*(1 + 2 + -2). Solve 0 = b*w - 2 - c for w.

5

Let s(v) = v**2 - 12*v + 13. Let n be s(11). Suppose 0 = -n*z + 4 + 4. Solve 0 = -z*l + 3 + 1 for l.

1

Let c(h) = h**2 - 7*h - 5. Let o be c(9). Let p = o - 11. Solve w - p*w + 5 = 0 for w.

5

Suppose 2*m + 55 = 7*m. Let a = 14 - m. Solve -l - 8 = a*l for l.

-2

Let u = -50 - -52. Solve 0 = s + u + 2 for s.

-4