Q: Solve:
Solve 0 = -93*a + 96*a + 15 for a.

A: -5

Q: Solve:
Solve 15120 = -18*p + 347*p - 119*p for p.

A: 72

Q: Solve:
Solve 0 = -144*u + 141*u + 9 for u.

A:
3