Suppose 0*s - 2*c - 20 = -4*s, -4*s + 5*c = -14. Let j be (s/14)/(3/21). Solve h = j - 1 for h.

Let m be (-8)/2 - (-4 - 2). Solve 0 = -m*s - 2*s for s.

0

Suppose -s = -2*s + 2. Let u(j) = j**2 - 2*j. Let d be u(s). Solve k + k = d for k.

0

Suppose 0 = -3*y + f, -y = -5*y + 3*f. Let d = -6 + 11. Suppose -2*s + 4*z = -z - d, 5*z = -4*s + 25. Solve -5*v = -s - y for v.

1

Let w be (-7)/7 + 21. Let y be (-6)/1(-2)/4. Suppose y*x = 5*l - 25, -4*l + x = 4*x + 7. Solve w = l*g - 3 for g.

2

Suppose -2*w = -3*l - 18, -5*l - 14 = w + w. Let s be 2/l + ³⁷⁄₂. Let v be (-3)/(-6) + s/4. Solve 25 - v = -5*y for y.

-4

Let x = -11 - -19. Suppose -n = 3*d + x, -4 = -0*n - 3*n - 2*d. Solve -1 = 3*p - n*p for p.

1

Let i be ((-1)/(-2))/(3/(-6)). Let q be (-9 + 11)*(-1)/i. Solve -12 = -q*p - 2*p for p.

3

Let n® = r3 + 2*r2 - 3*r + 1. Suppose 9 = -10*i + 7*i. Let b be n(i). Solve u = -3 - b for u.

-4

Let s = -60 - -108. Suppose -6*z + 2*z = -s. Solve 3 + z = 3*q for q.

5

Let r = 1 + 0. Let t(f) = -f3 - 2*f2 - 2*f - 1. Let z be t(-2). Suppose -3*n = z - 9. Solve 7 = n*l - r for l.

4