Suppose 10 = c - 15. Let z be ((-20)/c)/(2/(-5)). Solve z*r + r - 9 = 0 for r.

3

Let b be (-3)/(-4) - (-42)/8. Suppose -b*u - 5 = -2*u - l, 0 = -5*l + 25. Solve 4*w = -u*w + 8 for w.

2

Let f® = -r3 + 8*r2 - 6*r - 4. Suppose 0 = h - 2*i - 9 - 6, -2*h + i + 18 = 0. Let x be f(h). Suppose 0 = x*z - 0*z - 18. Solve 0 = -2*t + 4*t - z for t.

3

Let a = 2 + 8. Suppose 2*n = 2*t + 22, 2*t = 3*n + 3 - 33. Let r be 3/(2 - a/n). Solve r = -y + 2*y for y.

4

Let d be (28⁄35)/(4⁄10). Suppose v + d*v = 12. Suppose -a - 1 + 3 = 0. Solve 0 = -v*g + a + 6 for g.

2

Suppose -4 = f - 3*t, f - 2*f - t + 8 = 0. Solve 2*n = f*n - 6 for n.

2

Let i(q) = -q**2 + 10*q - 11. Let c = 17 + -9. Let p be i©. Solve -4*n - 15 = p for n.

-5

Let d(b) = b**2 + 3*b - 6. Let n be d(-5). Let o be (-2)/n - 188/(-8). Solve 5*p = 8 - o for p.

-3

Suppose 4*h - y + 6 = y, -5*h - 9 = -2y. Let k be (-3 - h)(-2)/(-2). Solve k*z = z for z.

0

Let b be (-4)/(-18) + (-238)/18. Let d = -8 - b. Solve d*u + 12 = u for u.

-3