Write down the solution for this math problem: Solve 8989 + 5597 = -371*f - 190*f for f.
answer: -26

Write down the solution for this math problem: Solve -5*a - 56 = -81 for a.
answer: 5

Write down the solution for this math problem: Solve -147 = -15*w - 124 + 142 for w.
answer: 11

Write down the solution for this math problem: Solve 8659*w = 718882 + 96812 - 122974 for w.
answer:
80