Solve -5*h - 15 = 5*g, 4*h - h + 7 = -4*g for h.
-5
Solve 4 = s + 5*c - 21, -5*s = -5*c + 25 for s.
0
Solve -w - 3*f = -5*f - 12, 3*w + 3*f + 9 = 0 for w.
2
Solve 0 = 2*r + 4, r - 7 = -5*x + 2*r for x.
1
Solve -9*q + 13*q + 5*w + 7 = 0, 5*w = 2*q - 19 for q.
2
Solve -3*g - 2*l - 11 - 1 = 0, 5*g - 3*l = -20 for g.
-4
Solve -3*f - 5*c + 10 = 0, 2*f - 2*c = -3 - 1 for f.
0
Solve 21 = -4*j - z, 3*z = 2*j + z - 2 for j.
-4
Solve -17*s + 12*s - 35 = -5*j, -4*s = -j + 13 for j.
5
Solve i + 1 + 2 = -2*h, 3*h - 4*i = -21 for h.
-3