Solve -2*u = 6*b - 3*b + 9, 2*b - 2 = -4*u for b.

-5

Solve 5*v = f - 13, -31 = 3*v + 5*f - 12 for v.

-3

Solve 0 = x + 1, q - 6 = x - 8 for q.

-3

Solve i = 15*f - 61, -3*i + 0*i = 3*f - 9 for i.

-1

Solve -11 = w - 3*q, -3*w - w - 5*q = -7 for w.

-2

Solve 5*u + 5 = -q + 15, -2*q - u = -2 for q.

0

Solve -5 = 5*q, -2*p = -7*p - 5*q - 15 for p.

-2

Solve -f - 51 + 47 = -3*u, 2*u = -7*f + 41 for u.

3

Solve 4*t + 68 - 20 = -5*m, -2*m + 4*t = -20 for m.

-4

Solve -4*o - o = -3*a - 3, -o + 5*a = -5 for o.

0