Solve 3*f = -5*o + 5, o = -2*f + 5*o + 18 for f.

5

Solve -j - 9 + 14 = f, 20 = 3*j + 4*f for j.

0

Solve 0*i - 13 = w + 4*i, 0 = -i - 4 for w.

3

Solve v - 3*r = 2, -3*v + 4*r = 1 - 7 for v.

2

Solve -l - 5*s + 7 - 12 = 0, 0 = -2*l + 3*s - 10 for l.

-5

Solve -3*z + 0*d - d = -10, z = 5*d - 2 for z.

3

Solve -4*h - 4 = 0, -12 + 7 = -3*t + 5*h for t.

0

Solve -2*i + 0*p + 2*p = 4, 16 = 4*i + 4*p for i.

1

Solve -7*o + 23 = -9*o + 5*b, 18 = 3*o + 3*b for o.

1

Solve 3*r = -o + 11, r + 1 = -3*o - 6 for r.

5