Let h(o) be the second derivative of -o**4/12 + 2*o**3/3 - 7*o. Let p be h(4). Solve -3 = -s - p for s.

Suppose -k + 3*o = -12, 3*o + 70 = 5*k - 2*o. Suppose -k = 2*r - 5*w, -2*r + 3 = -4*w + 15. Solve r*y + y - 4 = 0 for y.

4

Suppose -3*z = z. Let c be ²⁄₁ - (z + 0). Suppose -u + c = -1. Solve -4*v + u*v = 0 for v.

0

Suppose -4*k = 5*x + 12, 3*x - 4*x - 6 = 2*k. Let w(a) = a3 + a2 + a - 5. Let p be w(x). Let m = -1 - p. Solve -n - n = m for n.

-2

Suppose -5*v = -26 + 1. Solve v*o + 8 = 3*o for o.

-4

Suppose 19 + 121 = 7*q. Let y = -10 - -16. Solve q = -y*b + b for b.

-4

Let o(h) = h3 - 8*h2 + 16. Let f be o(8). Solve 4*g = 8*g - f for g.

4

Let k(p) = p3 - 9*p2 + p - 5. Let j be k(9). Solve -2*y + j = -y for y.

4

Suppose 13*x - 16 = 12*x. Solve -x*c = -12*c + 12 for c.

-3

Suppose -4*y + 3*y - 4*o = -18, 21 = 5*y - 3*o. Let r(d) = -d + 8. Let h be r(y). Solve h*c - 16 = -2*c for c.

4

Suppose 5*x + 12 + 3 = 0. Let v be 0/(-1) + x + -5. Let b be (-6)/(-1) + v + 9. Solve -5*c + b = -8 for c.

3