Let z = 50 - 164. Let h = -58 - z. Let m be 12/(-54) - h/(-9). Solve -y + 20 = -m*y for y.

Let r(l) = l3 - l2 - l + 1. Let y be r(4). Let o be ¹⁴⁄₁₈ - (-10)/y. Solve 0 = a - o - 3 for a.

4

Suppose -3*s - 43 = -6*s - 2*n, 0 = -5*s + 4*n + 79. Suppose 2*w + 18 = -w. Let d = w - -11. Solve -s + d = -2*u for u.

5

Let w be (5 - 6)*-7*1. Suppose p - w = -5. Solve 0 = -y - p*y for y.

0

Let v be ((-4)/(-6))/((-4)/(-18)). Suppose v*i - 4 = -10. Let t = -2 - i. Solve 8 = 4*g - t*g for g.

2

Let s = -5 - -9. Let z(f) = -f + 7. Let g be z(5). Let x be ¹⁰⁄₂ - s/g. Solve 0 = -2*o - x - 5 for o.

-4

Suppose -o - 2*o + 45 = 0. Suppose -3*h - c + 20 = 0, -2*h - 3*h + 2*c + o = 0. Let t = h + 11. Solve -3*y = y - t for y.

4

Let k(x) = 2*x**2 + 13*x - 7. Let g be k(-7). Solve g = -5*m - 5 + 30 for m.

5

Let a be 4/(-30) - 1391/(-195). Solve a = -3*o - 5 for o.

-4

Suppose 0 = 4*o - 8*o + 20. Solve -v = -o + 8 for v.

-3

Let k® = -r**2 + 6*r - 4. Let y = 3 + 1. Let n be k(y). Solve 0 = 4*z + n - 20 for z.

4