Solve -2*w + 2 = -4*v, 4*v - 2 = -2*w + 16 for v.

2

Solve 0 = o + 5*h + 20, 7*o - 2*o = -5*h for o.

5

Solve -5*s - 5*z = 0, s = -s - 3*z - 3 for s.

3

Solve -2*z + 3*q + 6 = 0, -3*q + 9 = -3*z + 18 for z.

3

Solve -10 = -5*c + 4*s - 43, -4*s + 3 = c for c.

-5

Solve -5*w + 2*w + 4*q = -9, 0 = 3*w + 4*q - 9 for w.

3

Solve a = 3, -q + a = -4*q for q.

-1

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

4

Solve -4*l = -3*s + 31, -6*l = 3*s - 2*l + 1 for s.

5

Solve -3*i - 2*l = -8, 5 = -4*i + 3*l - 7 for i.

0