Solve l - 19 + 0 = -5*c, 2*c - 4*l - 12 = 0 for c.

Solve 2*v = 3*c + 10, -2*c - v + 3 = -2 for c.

0

Solve -20*v - 31 = 4*w - 25*v, v - 11 = 2*w for w.

-4

Solve 3*t + 4*n = 8*t + 26, 16 = -2*t + 3*n for t.

-2

Solve 0 = -3*x - 5*h - 13, 0 = -5*x + 4*x - h - 1 for x.

4

Solve -x - 6*n + 10*n = 6, -4*n = 2*x - 12 for x.

2

Solve o - 2*l - 4 = 0, 2*o + 20 = -2*l - l for o.

-4

Solve -r + 2*z = 2*r - 13, 3*r - 17 = -2*z for r.

5

Solve -4*h + 19 = 3*x, -5*x + 3 = 3*h - 14 for h.

4

Solve 5*o + 4*i = -0*o - 8, -4 = 4*o + 2*i for o.

0

Solve -11 + 43 = 4*v - 4*m, v + 2*m = -7 for v.

3