Let d be 185 + 1640. Solve 7 + 5 = d*h for h.

3

Let o® = r3 + 3*r2 + r. Let b be o(-2). Let m = -1 + b. Solve 0 = -g - 0 - m for g.

-1

Let q be 6/(-15) + 125. Suppose 0*l - l + 4 = 0. Suppose 0 = w + n - q, 0*n - n - l = -5*w. Solve -u - 1 - w = 0 for u.

-2

Suppose z = 2*z - 4. Suppose 4 = 2*o + c + 3, z*c = -3*o - 1. Solve 0 = p + o - 0 for p.

-1

Let b = 15 - 9. Suppose 2 = -5*a - 3*l + b, 4*a = -3*l + 2. Suppose -y + 29 + 3 = a*n, -5*y = 4*n - 64. Solve n = -3*x - x for x.

-4

Suppose 3*r - 26 = -14. Solve -r*u = u for u.

0

Let o be ((-8)/(-6))/(23). Let y be 8 + (3 - o - -1). Suppose 0 = -2*c + 3*j + y, -5*c + 20 = -0*c - 5*j. Solve c*n - n = -1 for n.

-1

Let q be (-3 - -9) + -2 + -1. Solve p = q*p for p.

0

Let c = -8 + 17. Let i(f) = 3*f + 2. Let r be i(1). Let t be (-1)/((-1)/r + 0). Solve c = -t*o + 2*o for o.

-3

Suppose 0 = -3*s - 2*s + 25. Suppose 0 = u - s*z - 30, 5*u + 0*z = -5*z. Solve 4*o - u = 3 for o.

2