Solve 18 = -2*d + 6*h, -166*d + 161*d = 4*h - 31 for d.

3

Solve -2*h - 3*p = -7*h + 19, -2*p - 16 = -5*h for h.

2

Solve -5 = 4*x - 3*h, x + 11 = 8*h - 4*h for x.

1

Solve 9 = -3*n + y + 1, 3*y + 8 = n for n.

-4

Solve 5*l + d = -70 + 72, -d = 4*l - 3 for l.

-1

Solve 4*l - 2*l = 2*n - 2, -1 = 4*n + l for n.

0

Solve -5*r + 3*r + 2*q - 6 = 0, -2*r = 2*q + 10 for r.

-4

Solve 4*g = 4*q - 20, 4 - 24 = 2*q + 4*g for q.

0

Solve 5*d = -2*w + 9*d + 16, 4*w = 2*d + 2 for w.

-2

Solve -2*x + 3*v = -2, 0 = x - 4*x + 5*v + 2 for x.

4