Solve -24*a + 14*a = -15*a for a.
Solve this plz.

A: 0

Solve -229*a - 322 = -252*a for a.
Solve this plz.

A: 14

Solve -4*n + 0*n - 1128 + 175 = -457 for n.
Solve this plz.

A:
-124