Solve 119*u + 24*u - 29820 = -268*u - 86*u for u.
Solve this plz.

A: 60

Solve -164*u - 35 = -169*u for u.
Solve this plz.

A: 7

Solve -752*f = -754*f - 16 for f.
Solve this plz.

A:
-8