Solve 3634*x - 2498*x + 3607*x = -2573*x + 336536 for x.
Solve this plz.

A: 46

Solve 28*o + 22*o = 100 for o.
Solve this plz.

A: 2

Solve 21*b + 40 = -65 for b.
Solve this plz.

A:
-5