Solve c + 4*h = 12, -5*c = 4*h - 5 - 7 for c.

0

Solve 4*v - 2*o = -14, -v + 5*o + 1 + 0 = 0 for v.

-4

Solve c = 4*b - 7, -2*b + 4 = -2 for c.

5

Solve 5*v + 3*g = 13, -5*g - 10 = -v + 3*v for v.

5

Solve g - 2 = 0, -l = -3*g + 42 - 41 for l.

5

Solve 4*q + 0*m = -m, -2*q = -2*m + 10 for q.

-1

Solve q - 13 = 2*w - 0*w, -2*w + 5 = 5*q for w.

-5

Solve -5*x = -2*v, 2*v = 3*v for x.

0

Solve a - 2*m = 6*a + 16, 0 = -5*a - 3*m - 19 for a.

-2

Solve 8*m - 2*r + 5 = 9*m, -2*r = -2 for m.

3