Solve -4*c + 125 = -2*o + 109, 0 = 5*c + 4*o + 6 for c.

2

Solve 19 = -3*d - 2*h, -3 = -3*d + 3*h - 12 for d.

-5

Solve 5*o + 9*y - 4*y = -20, 5*o + 26 = -2*y for o.

-6

Solve -11 = -3*x - l, 12*x = 9*x + 4*l - 14 for x.

2

Solve 4*f + 5 = 5*x, 5*f = -8*x + 3*x + 50 for x.

5

Solve -2*d = 2*m + 2, 2*d = -8*m + 12*m + 4 for d.

0

Solve -3*r + 7 = -2*r - 5*u, -2 = 2*r - 2*u for r.

-3

Solve -2*g + 3*n = 6, 2*g + 5*n - 23 = 3 for g.

3

Solve -4*s - 14 = -f, -4*s + s + f = 10 for s.

-4

Solve 4*g + 1 = x, 4*x + 0*g - 3*g = 17 for x.

5