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

1

Solve -6 = 12*s - 14*s + 3*v, -4*v = -5*s + 15 for s.

3

Solve -6*f + 8*f = -4*v + 6, 0 = -5*v + 5 for f.

1

Solve 4*z - 5*q = -7, 2*z - 3*q + 2 + 3 = 0 for z.

2

Solve -3*r + 2*d - 6 + 14 = 0, -r + 5*d - 6 = 0 for r.

4

Solve 2*m - 8 = u, -3*m = -4*u - 10 - 2 for m.

4

Solve -y - 3*o + 4 = 0, -2*y + 4*o - 4 = -3*y for y.

4

Solve 5*r + 9 - 44 = -5*v, -2*v = -5*r for v.

5

Solve -5*r - 5*s + 14 = 4, 4 = 2*r - 3*s for r.

2

Solve -n = -t + 7, -15 = n - 4*t + 1 for n.

-4