Suppose 0 + 0 = 7*c. Solve c*r = -3*r + 12 for r.

4

Let n = -25 + 28. Let j(z) = z3 - 4*z2 + 4*z + 1. Let r be j(n). Solve -10 = r*k - 2*k for k.

-5

Let n = 12 - 6. Suppose 0 = 2*a - 0*a - n. Let f = a - 0. Solve -f*k = 2*k for k.

0

Suppose -12 = -4*v, -8*y + 3*y + 3*v = -6. Solve -y = x - 5 for x.

2

Let h be 18⁄4 - (-15)/(-10). Solve -h*s + 3 = -2*s for s.

3

Let h(g) = -g + 6. Let y be h(7). Let n = y - -7. Solve -5*a + 3*a = -n for a.

3

Suppose 10*g = -v + 5*g + 7, -3 = -v - g. Suppose 4*q - 28 = 4*y, 4*q + 4*y = 5*q - 16. Let w(s) = -3*s - 4. Let j be w(-4). Solve q*b - j = v*b for b.

4

Suppose -2*g = -2*q - 6*g - 8, 3*g = 4*q - 28. Suppose a - 10 = -5*w + 5, 7 = w + a. Solve -6 = q*j - w*j for j.

-3

Let w(a) = a - 3. Let i be w(4). Solve -l + 1 = -i for l.

2

Let l = 95 - 89. Solve l*v = 3*v + 12 for v.

4