Solve 4*r = 3*x + 6, 0*x + 6 = 3*x for r.

3

Solve 4*f + 5*o + 15 = 0, -5*f - 5*o + 30 = -10*f for f.

-5

Solve -5*q - 11 = -4*r, -r + q = -3*r + 9 for r.

4

Solve 4*q - 2*f + 24 = 0, 3*q = q - 3*f + 4 for q.

-4

Solve -5*b + 3*b - 2*n - 8 = 0, -5*n - 20 = -b for b.

0

Solve 81*w - 86*w - 11 = -f, 0 = -2*f - 8 for w.

-3

Solve -5*c - 3*g - 24 = 0, 5*g - 3 = 2*c + 4*g for c.

-3

Solve -49*s + 47*s - i - 7 = 0, 0 = -4*s + 3*i - 19 for s.

-4

Solve 7*w - 28 = 3*w + 4*u, 4*u - 2 = -2*w for w.

5

Solve -3*t + 26 = -4*y, 0*y - t - 18 = 4*y for y.

-5