Solve -152 + 4 = -14*o + 20 for o.
Solve this plz.

A: 12

Solve -511*l + 693*l + 635*l = 24510 for l.
Solve this plz.

A: 30

Solve 4*u - 17 = -13*u for u.
Solve this plz.

A:
1