question: Teacher asked me this: Solve 8*b = -125*b - 87*b - 3960 for b.
++++++++++
answer: -18

question: Teacher asked me this: Solve 5*b + 10 + 15 = 0 for b.
++++++++++
answer: -5

question: Teacher asked me this: Solve 8*b - 11 = 9 - 28 for b.
++++++++++
answer: -1

question: Teacher asked me this: Solve 0 = 84*o - 72*o - 24 for o.
++++++++++
answer:
2