Q: Solve 15*y - 79 + 19 = 0 for y.

A: 4

Q: Solve 644*p = 512*p - 1320 for p.

A: -10

Q: Solve -79*p + 37*p = -19*p + 391 for p.

A: -17

Q: Solve -68*p = -9*p + 413 for p.

A:
-7