Solve -f - 7 = -3 for f.

-4

Solve 0 = -20*o + 26*o + 12 for o.

-2

Solve 0*x - 9 = 3*x for x.

-3

Solve 24*u + 3*u = 108 for u.

4

Solve 4 = 2*k - 6 for k.

5

Solve -3 - 3 = -6*j for j.

1

Solve -212*m + 24 = -216*m for m.

-6

Solve -123 = -5*y - 113 for y.

2

Solve -41 - 67 = 18*b for b.

-6

Solve 12*i = 18*i - 30 for i.

5