Solve c + 20 = 5*y, -c - y - 27 = -31 for c.

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

-1

Solve 0 = -4*n + 2*x + 8, 3*n + x + 8 - 4 = 0 for n.

0

Solve 0 = 8*w - 12*w - 4*a - 28, 3*w + 2*a = -16 for w.

-2

Solve 3*m - 3*z = 8 - 14, -15 = 4*m + 3*z for m.

-3

Solve -3*x - 22 = -5*b, 10 + 6 = -4*x + 4*b for x.

1

Solve 2 = -2*h - 3*s + 6, 4*h - 3*s = -10 for h.

-1

Solve 12*w - 8*w = 16, 2*z + 5*w - 24 = 0 for z.

2

Solve -3*f - 2 = -x - 20, -14 = 3*x - f for x.

-3

Solve -8*r + 16 = -4*r - a, -5*r = -a - 20 for r.

4

Solve 4 = -3*v - 4*d + 2, -1 = -d for v.

-2