Solve h - 3*z + 4 = 0, 6*z = h + 2*z + 4 for h.

-4

Solve 4*d = 4*q + 4, 0*q + 1 = 3*d - 4*q for d.

3

Solve 5*t = 4*a + 1 - 17, 3*a - 3*t = 12 for a.

4

Solve -k - 3*q = 2*q + 12, 0 = -2*k - 5*q - 9 for k.

3

Solve -5*o - 15 = -0*o, 2*o = -2*b - 8 for b.

-1

Solve -2*n = -z + 4, 6*n + 6 = 3*n for z.

0

Solve 17 = -2*q + 3*f, -2*q + 3*f - 20 = -f for q.

-4

Solve r = -4*t - 7, -2 + 8 = -3*r - 7*t for r.

5

Solve -4*q - 14 = 7*d, -6*d = -5*d - 4*q + 2 for d.

-2

Solve 3 = -2*h - d, 4*h - 2*d = -21 - 5 for h.

-4