Solve 4*b = 3*w + 15, -3*w + 5*b + 20 = -7*w for w.

-5

Solve 4*s - 3 = -4*q + 13, 2*q = 2*s for q.

2

Solve -2*w = -5*i + 4 + 6, 21 = 4*i + w for i.

4

Solve 11*d = -3*q + 14*d - 9, 5*d = -q - 9 for q.

-4

Solve 3*i = -5*u + 10 + 2, -u + 4*i + 7 = 0 for u.

3

Solve -5*z + 0 = f - 11, 4*f - 5*z + 31 = 0 for f.

-4

Solve 20 = -80*o + 85*o + l, 3*o + l = 10 for o.

5

Solve 5*x + 25 = -5*a, 37*x - 5*a + 29 = 33*x for x.

-6

Solve -4*o = 2*z + z - 7, 0 = 3*z + o - 13 for z.

5

Solve 4*d + 9 = b, 9*b - 11*b - 4*d = 18 for b.

-3