Solve -5 = 5*f - 4*l, -2*f - 34 = -5*f - 5*l for f.

3

Solve 4*m + 2*v - v - 16 = 0, -m = -2*v - 4 for m.

4

Solve 0*l + 4*z + 7 = l, -10 = -4*l - 2*z for l.

3

Solve 25*q - 21*q - 3*a - 23 = 0, a + 5 = 0 for q.

2

Solve r - 2*i + 4 = 0, 6*r + 3 = 3*r + 3*i for r.

2

Solve -4*l + 5*l - 4*s = 12, -8 = -2*l + 4*s for l.

-4

Solve -2*o - o = 3*g - 3, 0 = 5*o - 2*g - 19 for o.

3

Solve 0*o - 3*s - 18 = -3*o, -3*o - 3*s = -12 for o.

5

Solve -3*o - 12 = 4*n, -3*o - 6*n = -11*n + 12 for o.

-4

Solve 13*x - 2*m - 2 = 15*x, 0 = -2*m - 2 for x.

0