Solve 3*p + 3*w - 12 = 0, -5*w + w + 4 = 0 for p.

3

Solve 0 = -2*c - 5*y + 30, -3*c + 2 = -c - 2*y for c.

5

Solve 2*c + 5 = -3*i, 0*i + 5*i = c - 30 for c.

5

Solve 0 = -2*h - 3*p + 22, -3*h = -4*h + 5*p - 15 for h.

5

Solve 4*n - a + 21 = 0, -4*a + 4 = n + 3*n for n.

-4

Solve 3 = -3*j - 6*c, 5*j - 14*c + 35 = -9*c for j.

-5

Solve 3*x = -2*m + 5, 25*x = 30*x + 5 for m.

4

Solve 18 = -2*i - 2*p, 2*p - 7 = i + 2*i for i.

-5

Solve -o + 31 = -0*o - 5*s, 4*o = s + 29 for o.

6

Solve 2*p - 4*j = 20, 1 + 4 = 2*p + j for p.

4