Solve -20*h + 9 = -22*h + b, 0 = -h + 2*b - 9 for h.

-3

Solve 3*z - 2*b = -29, 5*z - 50*b = -54*b + 3 for z.

-5

Solve -5*v - 3*k = 18, -k + 12 = -4*v - 4*k for v.

-6

Solve 3*w + 10*f - 12 = 12*f, 0 = w - 2*f - 4 for w.

4

Solve -3*u - 24 = -3*y, -3 = 5*u + 22 for y.

3

Solve -2*a - 15 = 3*a + 3*q, 3*q = 0 for a.

-3

Solve 3 = -m - 3*p, 5*m + 5*p + 3 = -2 for m.

0

Solve 3*s - 2 = 2*v, -7 - 1 = 3*s - 4*v for s.

4

Solve 14 = -a + 3*l, -l = a + 12 - 18 for a.

1

Solve -13*f - 7 = 5*m - 15*f, 0 = m - 2*f - 5 for m.

-3