Solve -2*d = -4*q + 4, 0*q = -2*q - 3*d + 18 for q.

3

Solve 0 = -2*h + 3*d + 9, h - 9 = 7*d - 4*d for h.

0

Solve -4*j - 25 = 5*p, -p - 5 = -j - j for j.

0

Solve 0 = -5*s - j - 13, 0 = s - 10*j + 6*j - 10 for s.

-2

Solve 5*d - 2*h = 9*d + 12, 0 = 2*d - 2*h for d.

-2

Solve 3*a = -n - 10, n - 15*a + 13 = -19*a for n.

-1

Solve 3*v + 9 = 0, -2*z = -0*z + 2*v - 4 for z.

5

Solve 2*s + 2 = -5*j, 18*j - 23*j - 5 = 5*s for j.

0

Solve -2*d + 1 + 5 = 0, 5*y + 4*d - 27 = 0 for y.

3

Solve 6*m = 4*m + f + 4, 3*m - 7 = 2*f for m.

1