Solve 0 = 3*f + 3, 4*f + 3 - 9 = 5*o for o.
-2
Solve 4*d = -2*q - 12, -4*d = 3*q - 0*d + 10 for q.
2
Solve 5*v + 12 = a - 2*a, -3*a + 2*v = 2 for a.
-2
Solve 5*d + 2*m + 20 = 5*m, -5*m + 20 = 5*d for d.
-1
Solve -3*l + 10*b = 9*b - 10, l = b for l.
5
Solve -3*s + 4*i + 22 = 0, -19*s - 6 = -18*s + 2*i for s.
2
Solve c = 2*c - t + 6, -5*t = 4*c - 21 for c.
-1
Solve -z + 3 = 0, 228*o - 224*o - 28 = -4*z for o.
4
Solve 7*h + 2 = 6*h - 2*s, -4 = 2*h - 2*s for h.
-2
Solve 3*r + 3 = -y + r, -5*y = r - 21 for y.
5