Solve h + 21 = -p + 30, 3*h + p = 17 for h.

4

Solve -10 = 4*h + h, 0 = -5*q + h + 17 for q.

3

Solve -28*u - 4*s = -27*u + 6, -4*s - 14 = -3*u for u.

2

Solve 0 = -5*r + 2*v + 21, 5*r + 2*v - 73 = -64 for r.

3

Solve 7 = 8*m - 3*m - 3*g, 2*m + 2*g = -10 for m.

-1

Solve 5*g + 18 = u, 0 = 3*g - 7*u + 2*u + 24 for g.

-3

Solve 0*k - 2*r + 8 = -5*k, -5*k + r - 4 = 0 for k.

0

Solve -l + 4*l = -5*k + 7, -4*k = 3*l - 8 for l.

4

Solve 3*z - 18 = -0*z + f, -4*z = 5*f - 24 for z.

6

Solve 0 = -9*r + 4*r - 15, -2*d = -5*r - 21 for d.

3