Solve -2*s + 5*s - 6 = -4*y, -3*y = 3*s - 3 for s.

-2

Solve -4*v + 16 = 4*f, -f - 4*v - 3 = -13 for f.

2

Solve c = 3*k - 1, -2*c + 7*c + 3*k = 13 for c.

2

Solve 0 = -5*l - b - 19, 5 = 3*l - 4*l + b for l.

-4

Solve 9*n - 8*n + 1 = 0, -o - 3 = 3*n for o.

0

Solve 4*w - 5*b + 21 = 4, -5*w = -b - 5 for w.

2

Solve -3*x - 5*m - 40 = 0, 0 = 4*x - 41*m + 37*m for x.

-5

Solve -5*a - 4*d = -12, 2*a - d - 22 = -3*a for a.

4

Solve -14 + 3 = 4*r + 5*w, 2*r = -5*w - 13 for r.

1

Solve 0 = -w + 5*c + 2, 15*w - 5*c = 19*w + 17 for w.

-3