Solve -6650 = 185*b + 7804 - 949 for b.
Solve this plz.

A: -73

Solve -40089*b + 4864 = -39833*b for b.
Solve this plz.

A: 19

Solve -23*a + a - 120 = 298 for a.
Solve this plz.

A:
-19