Solve -4*h + 16 = -7*p + 8*p, -5*p + 12 = 3*h for h.

4

Solve 19*a - 15*a - 22 = -5*o, -13 = -2*o - 3*a for o.

2

Solve 4*h - 3*w - 16 - 1 = 0, 2*h - 3*w = 7 for h.

5

Solve -12 = -4*n, o - 2*n = -7*n + 17 for o.

2

Solve -2*h + 15 = -3*w, 0 = h + 5*w + 19 + 6 for h.

0

Solve 5*n + 16 = 3*u, 5*n - 271 = -2*u - 277 for u.

2

Solve 19 = -2*z + 3*i, -4 + 25 = -3*z + 2*i for z.

-5

Solve -10 = 2*j - 6*j - 2*q, -j - 3*q = -10 for j.

1

Solve 48*n + 5*l - 30 = 52*n, 0 = -4*n + l - 22 for n.

-5

Solve -2*c = -5*h + 10 - 4, 2*h + 2 = 3*c for c.

2