Solve -4 = v - n + 4*n, 0 = -3*v + 2*n - 12 for v.

-4

Solve 0 = b - 4, 4*n + 3 = 3*b - 1 for n.

2

Solve y = 5*f - 330 + 349, 4*y = 16 for f.

-3

Solve -3*y - 4*l + 6*l - 1 = 0, 4*y - 10 = -3*l for y.

1

Solve 8 = 2*k + 4*u - 0, -3*u - 1 = -2*k for k.

2

Solve -5*x = a + 6, 2*x + 2 = -a - 1 for x.

-1

Solve -4*r - 4*l = -20, -4*r + 14 = l + 6 for r.

1

Solve -13 = -3*u - 2*v, -12 + 2 = -3*u - 5*v for u.

5

Solve 3 = -5*m - 2*g, 7*m - 3*g = 5*m + 14 for m.

1

Solve -6*r = -5*p - 2*r + 6, 10 = 3*p + 4*r for p.

2