Write down the solution for this math problem: Solve 60365 - 20621 = -1104*u for u.
answer: -36

Write down the solution for this math problem: Solve -34083 = 451*r + 582*r - 3093 for r.
answer: -30

Write down the solution for this math problem: Solve -1424 = -263*w + 1734 + 261 for w.
answer: 13

Write down the solution for this math problem: Solve 278*x - 761 - 7911 = 1114*x + 10556 for x.
answer:
-23