Let c(r) = -7*r - 15. Let o be c(-3). Solve -4*b = -18 + o for b.

Let l be -3*(2 - (-4)/(-6)). Let m = l + 8. Solve -12 = -m*g - 0*g for g.

3

Let y = -12 + 19. Suppose z + y = 2*s, z + 3*z = 2*s + 8. Solve -s = -w - 2*w for w.

2

Let x be ³⁰⁄₉*(-12)/(-10). Let n = 105 - 57. Suppose 2*f = 6*f - n. Solve -x*g - f = -g for g.

-4

Suppose 0 = -5*l - 5*q + 20, l + 5*q - 30 = -10. Solve 5*w - 5 = -l for w.

1

Let f(y) = -2*y - 9. Let i be f(-7). Let s(d) = -1 + 4*d - 2*d - d. Let k be s(i). Solve -2*z = -2 - k for z.

3

Suppose -4*n + 24 = -0*n. Suppose -n*b + b = 55. Let a = 31 + b. Solve -a = 3*s + 2*s for s.

-4

Let i(k) = k - 7. Let c be i(10). Solve c*p - 2*p = -2 for p.

-2

Let k = -5 + 11. Suppose -2*j - 2 = -4. Suppose -j = -i + 2. Solve k = 3*h - i for h.

3

Let d = -2 + -3. Let j = d + 13. Suppose -6*w = -2*w - j. Solve q - 12 = -w*q for q.

4

Let a(i) be the second derivative of i⁵⁄₂₀ - i⁴⁄₄ + i³⁄₂ - 3*i²⁄₂ + i. Let r be a(3). Suppose 3*k + 17 = 23. Solve 4*z + k = r*z for z.

1