Solve -5*k + 15 = -5*s, 20*s = 3*k + 25*s + 7 for k.

1

Solve 2*o - 4*c - 16 = 5*o, -16 = 4*c for o.

0

Solve -3*r - 27 = 2*s + 2*s, -5*s - 5 = -2*r for r.

-5

Solve n = 4*n - 4*p - 7, 2*n = 5*p + 14 for n.

-3

Solve -5*t = 4*x - 6, -2*x + 2 = -6 for t.

-2

Solve 14*m + 2 = -3*a + 12*m, 2*a = -2*m for a.

-2

Solve 0 - 5 = 5*c + 5*u, 4*c = -2*u for c.

1

Solve -6*y + y - t = 14, 0 = 5*y + 5*t + 30 for y.

-2

Solve -u + 4*w + 15 = 0, -2*u - 6 = 6*w - 2*w for u.

3

Solve -5*o + 4*a = -16, -3*o + 23 - 7 = 4*a for o.

4