Solve -z = -p + 5, 5*z - 3*p + p + 19 = 0 for z.

-3

Solve -2*z + 4*w - 3*w + 2 = 0, -20 = -5*w for z.

3

Solve -6*d + d = -5*y - 20, -3*y = d + 8 for d.

1

Solve -2*r - 40 = 5*o + 3*r, 4*o = -5*r - 37 for o.

-3

Solve 2*f - 31 = 5*h + 4*f, -4*f = 12 for h.

-5

Solve 20 = -4*j, 16*h + 25 = 21*h - 2*j for h.

3

Solve 4*u + 2 = 6, -2*y - 3*u = 5 for y.

-4

Solve -3*y = -2*q + 11 - 5, 7 = -q - y for q.

-3

Solve p = -4*p, 0 = -5*l + 3*p - 10 for l.

-2

Solve -5*i + 2*v = -3, 0 = 3*i + 3*v - 62 + 77 for i.

-1