Solve 706*n + 216 = 715*n for n.
Solve this plz.

A: 24

Solve 2933*h - 1420*h = 1428*h + 425 for h.
Solve this plz.

A: 5

Solve -22*a = -42*a + 80 for a.
Solve this plz.

A:
4