Solve -90*b + 86*b - 4*u + 8 = 0, b + 4*u = -4 for b.

4

Solve -4*b - 8*o + 15 = -5*o, 2*o - 10 = 0 for b.

0

Solve q + 3*q = o + 13, 5*o - 7 = -4*q for q.

3

Solve 0 = -2*p + 4*k + 14, -5*k = -5*p - 4 + 29 for p.

3

Solve -22*s + 21*s - 2 = -r, 2*s + 2 = r for s.

0

Solve -2*m + 4*o + 26 = 0, 9*o - 4*o = -4*m for m.

5

Solve -3*m - 2*h = -14, m = h - 0*h - 2 for m.

2

Solve 5*h - a = 19, 2*h = 4*a + 14 + 8 for h.

3

Solve l - 18 = -4*x, -4*x + 2*l = 6*l - 12 for x.

5

Solve w = -4*w + f - 1, 4*f = -4*w - 20 for w.

-1