Solve 627*a = -541*a + 1002*a + 6640 for a.
Solve this plz.

A: 40

Solve 0 = -2*q + 11 - 9 for q.
Solve this plz.

A: 1

Solve 739 = 23*v + 959 - 496 for v.
Solve this plz.

A:
12