Solve 4*r - 2*h + 12 + 2 = 0, 0 = 5*r + 4*h + 24 for r.

-4

Solve 0 = 5*g + 3*x + 12, 20*g - 15*g + 4*x = -11 for g.

-3

Solve 5*s + 2*n - 23 = 0, 4*s - 24*n + 20*n = 24 for s.

5

Solve -4*z + 22 - 6 = 0, -4*h + 2*z - 20 = 0 for h.

-3

Solve -n = 9*r - 5*r + 11, -4*n + 2*r - 8 = 0 for n.

-3

Solve 20 = 5*c + 5*u, -c + u + 4 - 2 = 0 for c.

3

Solve -v - o + 3 = 0, o - 3 = v - 6*v for v.

0

Solve 0 + 2 = 2*u + 2*l, 5*u = -l + 1 for u.

0

Solve -y + 3*p - 13 = 0, 5*p = 2*y + 25 - 5 for y.

5

Solve y + 13 = 5*z, -11*z - 4*y = -6*z - 23 for z.

3