Solve -12 = -2*h - 4*f - 4, h - 5*f = -24 for h.

-4

Solve 0 = -4*z + 2*x - 2, -2 = -z + 2*x - 10 for z.

2

Solve 5*r + 2*z = -25, 5*r + 0*r + 3*z = -30 for r.

-3

Solve -i + k + 0*k = -5, -3*i + 2*k = -15 for i.

5

Solve 3*v - 7 = 4*t + 2*v, -4*t = -3*v + 5 for t.

-2

Solve -c + 3 = -2*r - 3, r - 5*c + 21 = 0 for r.

-1

Solve 4*o - n = 1 + 3, 0 = 5*o - 3*n - 12 for o.

0

Solve 4*q - w = -5, -q + 15 = 4*q + 3*w for q.

0

Solve -4*o = 3*s + 11, 21*s = 5*o + 16*s + 5 for o.

-2

Solve -4*o = -5*l - 2 + 9, o = 3*l for l.

-1