Suppose 0 = -x - x + 20. Suppose 0 = -3*s - 2*s + x. Suppose n = -s*f - 0*f + 15, 0 = -f - 2*n. Solve 0 = 5*a - 15 - f for a.

5

Let q = -6 + 30. Suppose 4*b = 2*b + q. Suppose -2*t - 2 = -b. Solve 0 = 4*h - 3 - t for h.

2

Let d(u) = -u - 11. Let y be d(-11). Solve y = 3*c + 2*c - 5 for c.

1

Let w(y) be the first derivative of y3⁄3 + 3*y2⁄2 - y - 3. Let n be w(-2). Let p be n/61-6. Solve -p*g - 15 = -6*g for g.

5

Suppose -2*a = -4*a + 30. Solve -a = 3*n - 6*n for n.

5

Let h = 44 - 24. Let u = h - 18. Solve u*p = 4*p for p.

0

Suppose 4 = 2*r - r. Let b be r/(-5)*5/(-2). Suppose j - b = -0. Solve -4*x + j = -2 for x.

1

Let o(z) = z - 1. Let y be o(6). Let f = 8 - y. Solve -j + 8 = -f*j for j.

-4

Suppose -120 = -3*f - 0*f. Suppose -o + f = 3*o. Let a = o - 6. Solve 0 = -0*u - u + a for u.

4

Suppose -7*k + 2 = -47. Let y = 1 + -1. Let b© = c3 + c2 + c + 8. Let r be b(y). Solve k = -5*q - r for q.

-3