Solve 0 = -4*o - 4*f - 12, 3 = 30*f - 31*f for o.

0

Solve -3*c - q + 2*q = -6, 3*q = 0 for c.

2

Solve 2*n + 5*m - 18 + 38 = 0, 5*m + 5 = n for n.

-5

Solve 3*b - 3*p = 0, 6*p = 3*b + 2*p - 1 for b.

-1

Solve 2*p - 4 = i, 4*i + 16 = -11*p + 7*p for i.

-4

Solve -3*x = 5*j - 10, -4*x - 14 - 11 = -j for j.

5

Solve 4*r = 2*g - 6, 8*g - 7*g - 6 = 3*r for g.

-3

Solve 4*x = 2*a - 2, 4*a + 16 = 5*x + 20 for a.

1

Solve 0 = 4*a + 4*n - 16, -3*n = 2*a + 5 - 13 for a.

4

Solve 5 = j, -2*j - 12 + 7 = -3*y for y.

5