Write down the solution for this math problem: Solve 509*n = 485*n + 96 for n.
answer: 4

Write down the solution for this math problem: Solve 129 = 3*n + 117 for n.
answer: 4

Write down the solution for this math problem: Solve 2233 = 273*g + 497 - 2359 for g.
answer: 15

Write down the solution for this math problem: Solve -351 + 12 = -765*b - 707 - 1162 for b.
answer:
-2