Solve 0 = -4*z - 4, -39 = s - 2*z - 36 for s.

-5

Solve -74 = -5*y - 79, -4*b - 3*y - 3 = 0 for b.

0

Solve 2*o - 15 = 5*l, 4*l + 29 = -42*o + 47*o for o.

5

Solve 6*s - 5*i = 4*s - 19, 0 = 3*s + 5*i - 34 for s.

3

Solve 4*x + 4*k = -0*x - 4, 4*k = 4*x - 20 for x.

2

Solve -42 = -4*x + 2*q - 14, 0 = -q - 4 for x.

5

Solve n - p = 1, -35*n + 39*n - 5*p = 7 for n.

-2

Solve 2*z + 0*u - 13 = -5*u, -4*z + 2*u - 10 = 0 for z.

-1

Solve 2*q = -3*z + 11, 10*q - 15 = 7*q - 4*z for q.

1

Solve 0 = -2*k - 3 - 1, -5*k + 10 = 5*i for i.

4