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

5

Solve -3*i - 3*o - 2 + 14 = 0, -2*o = -8 for i.

0

Solve -3*n + 11 = -5*n - 3*z, n = 2*z + 12 for n.

2

Solve -4*w + 0*l + l = -24, 5*w - 13 = -3*l for w.

5

Solve 18*s = 17*s - 5*r - 28, -5*r - 31 = 2*s for s.

-3

Solve 2*r - 5*n - 27 = 0, 2*r = 3*n - 5 + 22 for r.

1

Solve -2*v + 6 = 0, 4*v - 3 = -5*s + 14 for s.

1

Solve -5*w - 3*x - 7 = 0, w + x - 7 = -10 for w.

1

Solve -4*h = 5*u - 9, -4*u + 6*h - 2*h + 36 = 0 for u.

5

Solve -16 = -2*q + 4*q + 3*r, -3*r = 3*q + 21 for q.

-5