Solve 25 = 5*m, -2*o + 13 = 2*m - 3 for o.

3

Solve 0 = -5*c - 2*b - 21, -2*c = b - 4*b - 3 for c.

-3

Solve -3*f + 12 = 2*r + 4, -f = -5*r + 20 for r.

4

Solve -f + 8 = 2*q, 4 = -4*q + 6*f - 3*f for q.

2

Solve 0 = h + 4*r + 17, 6*h - 4*r = 4*h + 26 for h.

3

Solve -2*s - 10 = 0, o + 3*s + 30 = 6*o for o.

3

Solve -23 = -3*h - 3*l - 8, 0 = -2*h - l + 9 for h.

4

Solve 5*f - 12 = 3*u, 5*f + 8 = -2*u + f for u.

-4

Solve -4*j + 23 = -3*d, 0 = -3*j + 2*d + 41 - 25 for j.

2

Solve g = -2*p + 2, 3*p + g = 13 - 12 for p.

-1