Suppose 2*i = 5*h - 12, 2*h - 5*i - 1 = -13. Solve -r - h*r + 15 = 0 for r.

3

Suppose c - 2*l = -3*l + 13, 3*c = 3*l + 21. Let v = c + -1. Let t = v - 2. Solve 2*i = t*i for i.

0

Suppose 2*v - 26 = -5*o + 13, 5*o - 4 = 3*v. Let z = 11 - v. Suppose t + 3*t + 5*g = 40, -2*g = 3*t - 37. Solve s + z*s = t for s.

3

Let f = -37 + 40. Solve -f*l = -l for l.

0

Let t(b) = b**2 - 4*b + 3. Suppose -4*z = s - 11, z + 2*s = -2 + 3. Let w be t(z). Suppose -5*c + 20 = w, -4*v + 2 = -2*c + 10. Solve v*n + 5*n = 25 for n.

5

Let x be (-5)/(-3) - (-2)/6. Suppose 2*t + 28 = x*l, -l + 44 = 2*l - t. Let q be l/6 + (-2)/4. Solve 3*h = q*h for h.

0

Let f = -10 - -19. Let k be 209 - 2/f. Solve -15 = -g - k*g for g.

5

Suppose 0*r = -5*r - 3*i + 32, -8 = -r - i. Solve 3*d - 11 = r for d.

5

Let m = -4 + 9. Let f = -90 - -95. Suppose 5*w - 6 = -2*i + w, -f*w = -m. Solve 1 = x - i for x.

2

Let z(k) be the first derivative of k44 + 2*k33 + 2*k + 5. Let b be z(-2). Let r be 0 - (0 - 0)/2. Solve r = -b*s + 5*s for s.

0