Solve 13 = -3*b - 4*z, 2*z - 5*z = 5*b + 18 for b.

-3

Solve -5*y - 3*x = -3, -2*y + 0*x - 2 = 2*x for y.

3

Solve 0 = 5*m - x + 3*x - 5, 5*m = -4*x + 15 for m.

-1

Solve 4 = r + 2*r - 4*c, -c = 5*r + 1 for r.

0

Solve 4*w = -3*b - 7 - 5, 12 = 2*w - 3*b for w.

0

Solve 2*o + 56*j - 12 = 54*j, -5*j + 20 = 0 for o.

2

Solve -b + 2*y + 11 = 0, 3*b - y - 7 - 1 = 0 for b.

1

Solve 5*q = 2*n, 7*n = 4*n + 4*q for n.

0

Solve -3*u + 5 = -2*m, 2*m = 4*m + 4*u - 30 for m.

5

Solve -5*v + 2*s + 10 = 6, 9 = 3*s for v.

2