Solve -b - 3*i - 9 = 0, 2*b + 0 = 2*i + 6 for b.

0

Solve -q + 0*q = 0, -4*j = -q - 4 for j.

1

Solve 2*o = -0*o - 5*p + 30, 2*p = -3*o + 23 for o.

5

Solve 0 = 5*b + 4*s + 9, -4*b - s + 1 = 6 for b.

-1

Solve 2*z = -t + 12, -4*t + 5*z - 2 - 2 = 0 for t.

4

Solve 4*q - 5*s = -1, 5*q + s - 2 = -25 for q.

-4

Solve r - 3 = -4*t, 6*t - 3*t - 31 = 5*r for t.

2

Solve 3*r + y = r, 0 = -4*r - 4*y - 8 for r.

2

Solve 5 = d - 2*a, -3*d + a - 2 = -7*d for d.

1

Solve -2*u = -4*a - 0*a + 4, -4 = a - 3*u for a.

2