Solve 4*r + 5*u - 5 = 0, r = 3*r - 5*u + 35 for r.

-5

Solve 21*b + 6 = 18*b, -z + 4*b + 10 = 0 for z.

2

Solve 4*w = 5*b - 5, 2*w - 6*w - 32 = 4*b for w.

-5

Solve 21 = -3*o - 3*t, 0 = t + 4*t + 10 for o.

-5

Solve -4*m = -3*v + 21, 4*v - 9*v = -35 for m.

0

Solve -p = 0, -3*n - 3*p = 2*p - 9 for n.

3

Solve -13 = -4*f - r, 2*f + r - 14 = 3*r for f.

4

Solve q - 4*k - 6 = 0, 6*q + 1 = 9*q + 5*k for q.

2

Solve -r = -2*i - 7, 0 = -4*r + i - 12 + 33 for r.

5

Solve -y - 3 = -2*o, -2 = -2*o - 2*y - 8 for o.

0