Let u(l) = -l**2 + 6*l. Let w = 0 + 0. Let f = w + 5. Let g be u(f). Solve x = g*x + 16 for x.

-4

Suppose -a - 4*a = 3*i, -a + 5*i + 28 = 0. Suppose 8*v - a*v - 25 = 0. Let c = -10 + 23. Solve -v*z - 38 + c = 0 for z.

-5

Let u(s) = 4 - 7*s2 + s3 + 0 + 5*s - s. Let h be u(5). Let x = -13 - h. Solve -1 = 3*f - x for f.

4

Let n = 34 - 30. Solve -n*l - l = -20 for l.

4

Let r = 25 - 38. Let z(g) = g + 16. Let d be z®. Solve d + 2 = a for a.

5

Suppose o = -2*o - 21. Let r(h) = 5*h3 - h2 + 7*h - 6. Let t(u) = 6*u**3 + 8*u - 6. Let w(m) = o*r(m) + 6*t(m). Let i be w(-7). Solve -5 + i = -4*q for q.

-2

Suppose -4*a = 20, 3*h - 2*a = -a + 11. Suppose 5*w - 2*w = h*l + 4, 0 = -5*l + w + 3. Let q = l - 0. Solve -5*t + q + 14 = 0 for t.

3

Let c(x) = 3*x - 1. Let t be c(1). Solve -q = t*q for q.

0

Let b be 5/(-3)*(-18)/6. Solve -4*g = g + b for g.

-1

Let i© = c**2 - 7. Let m be i(4). Solve 6*t - 3*t = -m for t.

-3