Solve 12 = -3*w - 5*i + 4*i, w - 4*i - 9 = 0 for w.

-3

Solve -3*o - 2*a + 5 = 0, 6*o - 4*a - 35 = 3*o for o.

5

Solve 2*h = 4*v - 10, 17*v = -6*h + 16*v + 35 for h.

5

Solve 0 = 4*u - 12, 10*y + 2*u = 12*y + 6 for y.

0

Solve 0 = g - 2*c - 12, -51 + 23 = -g + 4*c for g.

-4

Solve 5*l = -2*s - 3*s - 50, -5*l = 25 for s.

-5

Solve -6 = 4*h - 5*l, 3*h - 2*l = l - 3 for h.

1

Solve 9*f = r + 11*f + 7, r + 5*f = -19 for r.

1

Solve 4*p + 4*d + 2 = -2, -4*d + 2 = -2*p for p.

-1

Solve -2*s + 16 = -14*s - 4*q, -s - 2*q = -2 for s.

-2