Solve -2*f = -3*n - 5, 4 = f - 19*n + 16*n for f.

1

Solve -3*f + 1 = -2*s - 8*f, -2*s + 5*f + 9 = 0 for s.

2

Solve -4*z = -4*b - 8, z + 5*b = 7*b for z.

4

Solve 16 = 5*p - p - 2*c, 0 = -5*c for p.

4

Solve 3*m - 16 = 2*s, -m - 79*s + 80*s = -6 for m.

4

Solve 0 = -2*o - 6 - 2, -4*j + 16 = -4*o for j.

0

Solve 0 = 3*c - 3*v + 6, 3*c - 11 - 23 = -5*v for c.

3

Solve 4*y - 3*y + 3*t = 10, -12 = -4*t for y.

1

Solve v - 2 = 4*y - 11, 0 = -3*y + 3 for v.

-5

Solve -4*l + 17 = r, 0 = 2*l + 2*r - 3*r - 13 for l.

5