Solve -3*f + 2*f = -5, -1 = 4*o - f for o.

1

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

0

Solve -5*w = 4*u + 13, 27 + 4 = 2*u - 5*w for u.

3

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

4

Solve -2*w - 5*u - 4 = -18, 0 = 3*u - 12 for w.

-3

Solve b + 5*p + 19 = 0, -5*b = -8*b + p - 9 for b.

-4

Solve -12*q - k = -16*q + 5, 5*q - 4*k = -2 for q.

2

Solve -4*r - 18 = 98*w - 101*w, -6 = 2*r for w.

2

Solve -5*i = -2*s - 2*s - 18, 2*s = 4*i - 12 for i.

2

Solve 5*q = -5*c + 40, -31 + 20 = -2*c - q for c.

3