Write down the solution for this math problem: Solve 618750 = -4970*w - 5007*w + 1727*w for w.
answer: -75

Write down the solution for this math problem: Solve 162 = 2*n + 158 for n.
answer: 2

Write down the solution for this math problem: Solve 34*r - 112*r = 402*r - 1920 for r.
answer: 4

Write down the solution for this math problem: Solve 936*l + 6963 = -1573*l - 40708 for l.
answer:
-19