Write down the solution for this math problem: Solve 198*k = -399*k - 9552 for k.
answer: -16

Write down the solution for this math problem: Solve -269*r - 677 + 4482 + 4265 = 0 for r.
answer: 30

Write down the solution for this math problem: Solve 4*x = -113 + 129 for x.
answer: 4

Write down the solution for this math problem: Solve -320*p + 5271*p = 42289 + 170604 for p.
answer:
43