Solve h - y = 4, 2*h - 8*y - 20 = -3*y for h.

0

Solve -30*t - v + 6 = -32*t, 5*t = v - 18 for t.

-4

Solve -21 = 3*k - 15, k - 8 = -5*f for f.

2

Solve -4*p + 8 = -4*o, 0 = -11*o + 7*o - 3*p + 27 for o.

3

Solve -18*d + 19*d = 5*w + 5, d - 5 = -w for d.

5

Solve 15 = 3*m - 9*u + 12*u, 5*u = 5*m - 5 for m.

3

Solve -y - 2*t + 10 = 0, 0 = -3*y - 3*t - 15 + 33 for y.

2

Solve -3*y = -2*d - 11, 2*d = -12*y + 13*y - 5 for y.

3

Solve -17 = -15*z + 14*z + 4*n, z + 11 = -3*n for z.

1

Solve y = -5*m - 24, -y + 16 = -0*y - 5*m for y.

-4