Write down the solution for this math problem: Solve 37*u - 23827 + 1702 = 83*u + 249*u for u.
answer: -75

Write down the solution for this math problem: Solve 9*n - 60 = 29*n for n.
answer: -3

Write down the solution for this math problem: Solve 14*n + 28 = -108 - 18 for n.
answer: -11

Write down the solution for this math problem: Solve o - 19 + 40 = 11 for o.
answer:
-10