Write down the solution for this math problem: Solve 899*u + 13763 - 5980 = -9298 for u.
answer: -19

Write down the solution for this math problem: Solve -104*f + 99*f = -5 for f.
answer: 1

Write down the solution for this math problem: Solve 14*p + 1 = 71 for p.
answer: 5

Write down the solution for this math problem: Solve -4*o + 1631 = 1651 for o.
answer:
-5