Solve 20 = 5*h - q, -16*q = 5*h - 13*q for h.

3

Solve 0*y = -6*y - 5*l + 15, 2*y = -l + 7 for y.

5

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

1

Solve -68*u + 5*x + 20 = -73*u, -5*u - 3*x - 22 = 0 for u.

-5

Solve -3*p - 3*h = 0, 4*h = 3*p + 2*p - 36 for p.

4

Solve 0 = 5*k + p - 1 - 5, -k = 5*p + 18 for k.

2

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

0

Solve -3*p + 24 - 4 = 5*k, 2*p = 4*k + 6 for p.

5

Solve -3*s + 8*s - 3*v = 10, 0 = 3*s - 5*v - 6 for s.

2

Solve -4*b - 2 = 2*x, 4*b = -0*b + 3*x + 23 for b.

2