Solve 4*f = -5*s + 6, -5*f + 5 + 5 = 5*s for f.

4

Solve -b - 5*c + 4 = 2, -6 = -3*b - 3*c for b.

2

Solve -2*n - 4*a - 8 = -6*n, -2*n = a - 13 for n.

5

Solve -2*i + 2*b = -4, 3*i - 2*b + 7 = 12 for i.

1

Solve -4*y - 6 = -2*w - 4, -3*w - 2*y + 3 = 0 for w.

1

Solve -8*d + 2*q - 3 = -13*d, 4*d = -4*q + 12 for d.

-1

Solve 2*f + 6*v - 21 = v, -4*v + 6 = -2*f for f.

3

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

-1

Solve 0 = 2*y + x + 2, -x + 0 = -3*y - 13 for y.

-3

Solve 2*x - 10 = -5*v, 6*v = x + 9*v - 6 for x.

0