Solve 0 = -3*s - 12, 0*q + q - 21 = 4*s for q.

5

Solve -4*j = h - 1 + 4, -3*j - 3*h + 9 = 0 for j.

-2

Solve g = -4*w - 3*g + 24, 5*g + 10 = 5*w for w.

4

Solve -3*x - 4*g + 5 = 0, g + 7 = x + 5*g for x.

-1

Solve 3*c + 4 = r, 3*r + 0 - 12 = -2*c for r.

4

Solve -5*k - g = 0, 4*k = -k - 5*g for k.

0

Solve 2*s - 17 = 3*r - 0*r, 0 = -2*r - 2*s + 2 for r.

-3

Solve 2*u + 5*w = 12, -3*u - 15 = -w + 1 for u.

-4

Solve 5*d + 21 = -4*w, d - 2 = -w - 6 for d.

-5

Solve -4*r - 21 = f, -4*r + 2*f - 6*f = 24 for r.

-5