Suppose 4*r + 2*a = 12, 20 - 4 = 2*r - 4*a. Suppose -4*t + 14 = -2*v + v, 5*v = 10. Solve -5*f + t = -r*f for f.

4

Let a be (-120)/(-28) + (-4)/14. Let f be 1/(1/(1 + a)). Solve 0 = -4*s + 7 + f for s.

3

Suppose 0 = 2*l + 3*l - 30. Let n(s) = s**2 + 2*s + 6. Let r be n(l). Let m = -29 + r. Solve -2*o = 3*o + m for o.

-5

Let i(o) = o3 + 6*o2 + 4*o + 5. Let d be i(-5). Suppose -v - 10 = -6*v. Suppose -2 = 2*r + 2*w, -3*w - 11 = -v*r + 7. Solve r*a - 1 + d = 0 for a.

-3

Suppose -13 = -4j + 7. Let y be (-6 - -1)(-28)/10. Let w = 11 + y. Solve -w + j = 4*g for g.

-5

Let b(a) = 4*a - 11. Let o be b(8). Suppose u - o = -2*u. Suppose 5*r - 8 = u. Solve -r*n + 1 = -5 for n.

2

Let h(l) = l2 + l. Let d(q) = -q2 - q. Let p be d(1). Let i be h(p). Solve 2 + i = 4*g for g.

1

Let x be 0/(1/(0 + 1)). Solve 2*f - 10 = -x for f.

5

Suppose 8 = -5*a + 3*a + 3*w, -2*a - w = -8. Solve 0 = 5*d - 6*d - a for d.

-2

Suppose 4*z - 83 = -7. Suppose -3*m + 25 = z. Solve 5*t + 3 = -m for t.

-1