Let o(x) = -2*x**2 + 15*x + 1. Let a be o(7). Solve a*b - 4*b = 0 for b.

0

Let x(h) = h + 6. Let m be x(-5). Let n(u) = -u**2 + u. Let w be n(m). Solve -2*j - 2 + 10 = w for j.

4

Let i(f) = f**2 - 6*f + 8. Let u be i(4). Solve u*s - 6 = -2*s for s.

3

Let o = -5 + 9. Suppose u + 4 = -o. Let l = 16 + u. Solve d + d = l for d.

4

Let a = 9 + -6. Suppose 0 = -r + 4*l + 10, -2*l - 10 = a*l. Suppose 0*z - p = z - 8, r*p = 8. Solve -w = -z*w for w.

0

Let n = 7 - 3. Suppose -n*v + 2*v + 12 = 0. Solve -3*y - v = -y for y.

-3

Suppose -n = -159 + 154. Suppose u = -2 - 2, -2*u = -5*h + 18. Suppose -22 = -2*z + h*w - 6, -5*z - w = -16. Solve 3*s = n*s - z for s.

2

Suppose 2*n - 5*l - 24 = 0, 2*l + 18 = -n + 6*n. Suppose -3 = -z - n. Solve 13 = -4*r + z for r.

-3

Let p be -2*6/(-4) + 8. Suppose -9 = 2*k + p. Let v be ((-8)/k)/((-6)/(-30)). Solve v*w + 0*w - 8 = 0 for w.

2

Suppose -6 = -15*v + 13*v. Solve -10 = -v*z + z for z.

5