Solve -1377*a + 5051*a = -2910*a - 625480 for a.
Solve this plz.

A: -95

Solve -173*j + 30 = -167*j for j.
Solve this plz.

A: 5

Solve 9*x = 485 - 548 for x.
Solve this plz.

A:
-7