Write down the solution for this math problem: Solve -2373*x - 160204 = -53419 for x.
answer: -45

Write down the solution for this math problem: Solve -348 - 46 = 70*w + 376 for w.
answer: -11

Write down the solution for this math problem: Solve 726*k - 81*k = -12900 for k.
answer: -20

Write down the solution for this math problem: Solve -967*u + 4334 + 4664 = -861*u + 2638 for u.
answer:
60