Write down the solution for this math problem: Solve 0 = 139*u + 165*u - 3732 + 84 for u.
answer: 12

Write down the solution for this math problem: Solve 62*o = 165*o + 189*o - 7300 for o.
answer: 25

Write down the solution for this math problem: Solve 333*n + 1235 - 23402 = -488*n for n.
answer: 27

Write down the solution for this math problem: Solve -9912 - 55362 = 1419*x for x.
answer:
-46