Solve 12 = c - 4*a, 3*c + 7*a - 9*a = -4 for c.

-4

Solve -4*n - 4*u + 20 - 24 = 0, 0 = 4*n + u - 2 for n.

1

Solve -63*s + 4*a - 16 = -62*s, 0 = 5*s + 4*a + 8 for s.

-4

Solve -5*w + 25 = -5*l, 4*l - 5*l = 4*w - 15 for l.

-1

Solve -10 = 2*w, -3*w - 5 - 4 = 2*p for p.

3

Solve 2*k + 3 = -3*g, 4*k + k + 2*g + 13 = 0 for k.

-3

Solve b = 4*o - b, 3*o + 4*b - 11 = 0 for o.

1

Solve k = 5*u + 18, 0 = 5*u + 180*k - 175*k for u.

-3

Solve -t = 3*p - 6*t - 12, 2*t + 6 = 0 for p.

-1

Solve -38 = -6*q - 4*f, 7*q - 8 = 6*q - f for q.

3