Solve c - 5*x - 39 = 0, -4*x - 47 + 31 = 3*c for c.

4

Solve -4*n + 5*q = -25, -3*n + 9*q + 13 = 11*q for n.

5

Solve -5*k + u - 4*u = -10, -5*u + 10 = 5*k for k.

2

Solve -14 = m + 5*z - 27, -5*m + 11 = -2*z for m.

3

Solve 11*o - 2*p = 6*o - 17, 4*o = -2*p - 10 for o.

-3

Solve w - 5*w + k = -22, 4*k + 18 = 2*w for w.

5

Solve 11 = -5*l - 4*j, -3*j + 22 - 31 = 3*l for l.

1

Solve -u + 5*h = -27, 5*u + h - 5*h = 30 for u.

2

Solve -5*t - 7*j = -4*j - 6, 10 = 5*j for t.

0

Solve 4 = -3*r + 1, 0 = 4*v - 3*r - 11 for v.

2