Solve -54*w - 283*w - 10110 = -107*w + 107*w for w.
Solve this plz.

A: -30

Solve -18 = -6*u + 12*u for u.
Solve this plz.

A: -3

Solve -68734*o + 54 = -68716*o for o.
Solve this plz.

A:
3