Let o be (23)/(454). Solve -4*k - 25 = -o*k for k.

5

Let u = 16 - 12. Solve 8*c = u*c for c.

0

Let a(u) = u3 - 5*u2 + 4. Let m be a(5). Solve -m*q + 7 + 5 = 0 for q.

3

Let x = -20 + 22. Solve -5 = -x*k + 5 for k.

5

Suppose -b = 2*y - y - 1, 2*b - 3*y - 7 = 0. Let q = 1 + b. Solve q*k = -7 - 2 for k.

-3

Suppose 0 = 3*s - n - 1, 7 = 3*s + n + 8. Solve s = 8*w - 13*w + 25 for w.

5

Suppose -2*k + n + 9 = 0, 0*k - n - 17 = -4*k. Solve m - 9 = k*m for m.

-3

Let b(h) = h3 + 2*h2 - 7*h - 6. Let d be b(-3). Solve -d - 14 = -5*y for y.

4

Suppose -9 - 3 = -6*a. Let f(d) = -3*d3 + 2*d2 - 1. Let c be f(1). Let m = c + a. Solve m = 3*u + 2*u for u.

0

Let j(h) = 2*h + 6. Let i be j(0). Solve 3*k + 12 = i*k for k.

4