Solve 9 = 3*q + 3*f, -5*q + 2*f = -9*q + 6 for q.

0

Solve -5*t + 19*b + 15 = 20*b, -t - 3*b + 17 = 0 for t.

2

Solve -d = -3*r - 5, 2*d - 5 = r - 0 for d.

2

Solve -3*f + 5*y + 5 = 1, -3*f = 4*y - 13 for f.

3

Solve 5*x + 2*a - 10 = -0*x, -x - 15 = -3*a for x.

0

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

2

Solve 5*c + 3*n = -8, 7*c - 5*c = -n - 3 for c.

-1

Solve 0 = -l - 4*q + 16, 4*q = 2*l - 1 + 5 for l.

4

Solve 4*w - 7*w = n + 6, 3*w = -3 for n.

-3

Solve 0 = 3*k + 3*r - 18, 4*k = -5*r + 18 + 10 for k.

2