Write down the solution for this math problem: Solve -280*i + 140*i = -137*i - 87 for i.
answer: 29

Write down the solution for this math problem: Solve 1952 = -1945*g - 233393 for g.
answer: -121

Write down the solution for this math problem: Solve x + 20*x = -45*x + 27*x - 273 for x.
answer: -7

Write down the solution for this math problem: Solve 0 = -6*b - 98 + 68 for b.
answer:
-5