Solve 2*a + 12 = -3*a + 2*h, 4*a - 4*h = 0 for a.

-4

Solve -5*o + 5 = 5*n, 24*o - 7 = 5*n + 27*o for n.

-5

Solve 0 = 2*i + 3*w - 4 + 11, -4*i + 4*w = 24 for i.

-5

Solve h - 1 = 0, 0 = 4*b - 3*b - 4*h + 6 for b.

-2

Solve 0*x - x - 6 = r, 2*r + 4*x + 16 = 0 for r.

-4

Solve -20 = 5*g - 5*j, j = 2*g + g + 14 for g.

-5

Solve 6*p - 7*p - 13 = 7*q, 0 = -4*q + 3*p - 11 for q.

-2

Solve -4*t - 9 = -5*f - 8, 0 = -5*t + 5*f - 5 for t.

-4

Solve 20 = 4*o - 4*q, -3*o - 4*q - 20 = -4*o for o.

0

Solve -4*u - 4 = -y - 0, -2*y = -2*u + 4 for u.

-2