Let r = -12 + 21. Solve 2*z + r = -z for z.

-3

Suppose 0*o - o + 7 = 3*j, -4*j = 5*o + 9. Solve 0 = -j*f - 0*f for f.

0

Let w® = r + 28. Let n be w(0). Let y = -20 + n. Solve y*p - 20 = 3*p for p.

4

Let n(y) = y**2 + 9*y. Let x be n(-9). Suppose x = 2*d - d. Let s be (-2)/(-4)*d + 5. Solve -5*o + s = -15 for o.

4

Suppose 4 = -w + 5*t - 13, 3*t + 3 = 5*w. Let a = 5 - w. Suppose 2*d - 13 = r, -d + a*r + 14 = -0*d. Solve 0 = -d*o - 4 + 16 for o.

3

Let c(v) = v**2 - 5*v. Let y be c(6). Suppose -2*u + y = -0*u. Solve 5*f + u = 2*f for f.

-1

Let k = -47 - -49. Solve 4*n = k*n - 8 for n.

-4

Suppose 5*y = -4*s + 18, 4*y = 5*s - y. Solve 3*r - s*r - 4 = 0 for r.

4

Let b = 7 + -11. Let w be (-1)/b + (-3)/(-4). Let o be w*(-4)/(-2) + -1. Solve a + 0*a - o = 0 for a.

1

Suppose -l + 6 = 1. Suppose l*i + z + z - 23 = 0, -2*i + z = -2. Solve -x - 2 + i = 0 for x.

1