Solve 19 = 4*o + 3*m, 2*o + 3*o + 5*m - 25 = 0 for o.

4

Solve -4*l = -2*f - 2*l + 2, 0 = -3*f + 2*l for f.

-2

Solve 2*v - 5*o = 9, 5 = 6*v - 2*v + 3*o for v.

2

Solve 13 = 4*j + u, j + 0*u - 5*u + 2 = 0 for j.

3

Solve -3*g = 3*v, -3*v = -g - 0*v for g.

0

Solve -s + 13 - 8 = 0, 0 = -3*i + 2*s - 4 for i.

2

Solve 5*x - 121 + 141 = -u, -3*x + 5*u - 40 = 0 for x.

-5

Solve 2*j - 5 = 5*j + 5*h, -2*j = 3*h + 2 for j.

5

Solve -23 = -5*j + 4*w - 15, 3*w + 25 = -j for j.

-4

Solve -5*w + 4*f + 17 = 5*f, f = 2*w - 11 for w.

4