Solve 18*z = 19*z - 5*f - 15, -3*z + 21 = -3*f for z.

5

Solve -16 = 6*g - 2*g - 4*x, 0 = 5*g + 5*x + 30 for g.

-5

Solve -5*s = -25, -2*s = -4*w + 1 + 5 for w.

4

Solve b = 5*x, 8 = 4*x + 8 for b.

0

Solve -5*w + 6*g = g, -4*g - 8 + 4 = 0 for w.

-1

Solve 3*v + d + 8 = 0, 0 = -3*v + 2*v - d for v.

-4

Solve 3*h + 9 = -0*d + d, -4*d + 12 = 0 for h.

-2

Solve -19 = 2*o - 5*d - 0*d, -8 = 4*o - 4*d for o.

3

Solve -3*s + 6 = 3*c, -4*s - 5*c = -0*c - 13 for s.

-3

Solve 2*m - 2 = y, 3*m + 16 = -3*y - m for y.

-4