Solve 1013 = 639*b - 713 - 8179 + 1598 for b.
Solve this plz.

A: 13

Solve 8*b - 48 = 24 for b.
Solve this plz.

A: 9

Solve -12*x = 62*x + 9*x for x.
Solve this plz.

A:
0