Solve -3*c + 8 = d, -6*c + 2*c - 21 = -5*d for c.

1

Solve -5 = -5*c - x, 0*x - 20 = -2*c - 4*x for c.

0

Solve 0 = -4*j - 2*x - 18, 22*j - 19*j + 3*x = -21 for j.

-2

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

0

Solve -2*g + 2*w = 18, 4*g + w = -9 - 7 for g.

-5

Solve 4*l = -4*h + 12, -11 = -2*h + 2*l - 17 for h.

0

Solve -2*s + 4*p = -6, -4*s + p + 3*p + 8 = 0 for s.

1

Solve 2*x - 3*s - 1 = -9, 3*s = 5*x + 20 for x.

-4

Solve 8*d - 6*d = -y + 9, 0 = -y + 1 for d.

4

Solve -3*o + f = 0, -o - f = 3*o for o.

0