Write down the solution for this math problem: Solve 120*n = 129*n + 72 for n.
answer: -8

Write down the solution for this math problem: Solve 32*a + 103 = -93 + 100 for a.
answer: -3

Write down the solution for this math problem: Solve -2*b - 36 = -42 for b.
answer: 3

Write down the solution for this math problem: Solve 610*f + 463*f = -5524 - 29129 - 7194 for f.
answer:
-39