Solve 0 = 5*r - 3*o + 29 + 11, -o = -4*r - 25 for r.

-5

Solve 2*f = -4*k + 1 - 7, -12 = 4*f + k for f.

-3

Solve 4 = -2*l + 2*r + 10, 2*l - 3*r - 9 = 0 for l.

0

Solve -77 = -4*f + s - 70, 2*f = -5*s - 13 for f.

1

Solve -13*s + 18*s = 4*z - 19, -z - 4*s = 11 for z.

1

Solve 5*b - 4*n = -21, 2*b - n - 6 = -3*n for b.

-1

Solve 8*w + 4*c = 13*w - 20, -3*w + 5*c = -25 for w.

0

Solve 2*b + 25 = 5*g, -5*b - 8 = 4*g + 5 for g.

3

Solve 16 = -5*f + 4*i, -5*i - 17 + 4 = 2*f for f.

-4

Solve -5*h + 20 = 0, -3*g = 3*h - 6*h + 27 for g.

-5