Write down the solution for this math problem: Solve 36*w + 71107 - 70747 = 0 for w.
answer: -10

Write down the solution for this math problem: Solve 14*n - 95 = -39 for n.
answer: 4

Write down the solution for this math problem: Solve -16*u - 34*u + 438 = 23*u for u.
answer: 6

Write down the solution for this math problem: Solve -848*k + 7 = -847*k for k.
answer:
7