Solve -3*n - 14*c + 21 = -19*c, -n + 17 = -5*c for n.

2

Solve -5*k - c = -15, 2*k = -c - 3*c - 12 for k.

4

Solve 3*n + 3 = 3*r, 1 = 2*r - n - 2 for r.

2

Solve -24*r + 2*k + 8 = -23*r, -5*k - 9 = 3*r for r.

2

Solve 5*u - v - 5 = 0, 0*u - 4*v = 4*u + 20 for u.

0

Solve 2*w = 6, -5*o - 27 = -5*w + 8 for o.

-4

Solve 4*h = 3*f - 6*f + 7, 3*f - 2*h - 1 = 0 for f.

1

Solve -5*q - 2*b = -20, 10*b = 12*b for q.

4

Solve 0 - 4 = -5*v + 2*p, 2*p + 4 = -v for v.

0

Solve 2*p = 4*s + 2, 3*p + 5 + 10 = 0 for s.

-3