Solve -5*i + 19 = f, -2*f + 20*i - 1 = 17*i for f.

4

Solve 4*i = q - 16, 3*q - 43 = 3*i - 31 for q.

0

Solve 5*r + 5*n = -1 - 9, 4*r = 3*n + 27 for r.

3

Solve 11*t = 12*t + q - 9, 3*q - 32 = -4*t for t.

5

Solve 2*v = -3*t - t - 26, 1 = -4*t + 3*v for t.

-4

Solve -8 = -4*m + 2*l, -2*m + 2*l = -5*m + 6 for m.

2

Solve -2*n = -0*n + 8, 5*n + 15 = -5*f for f.

1

Solve 5 = -4*o - 4*b + 13, 2*o - 2*b - 16 = 0 for o.

5

Solve -3 = 27*f - 24*f - 3*b, f - 3*b - 3 = 0 for f.

-3

Solve 0 = -n - 2*c - 12, -5*c - 19 = 6 for n.

-2