Solve 3 = -b + 2*o, 7*o = 4*b + 2*o + 12 for b.

-3

Solve 3*n - 3 + 24 = 2*d, -12 = d + 3*n for d.

3

Solve -51*o + 6 = 4*f - 48*o, 3*o = 6 for f.

0

Solve 2 = r, 0*o = 5*o - r - 23 for o.

5

Solve 3*j + 4 = d, 6*d - d + j - 20 = 0 for d.

4

Solve 2*w - 1 = 3*b, -8*b - 4*w = -7*b + 5 for b.

-1

Solve 0*k - 2*a = -4*k - 12, 5*k + 2*a - 3 = 0 for k.

-1

Solve -k - 4*z = -15, -159*z - 18 = -4*k - 161*z for k.

3

Solve 10 = 3*b - 2*f + 12, -5*b - 3*f + 22 = 0 for b.

2

Solve -2*x + 10*a = 7*a + 1, 0 = 4*x + a - 5 for x.

1