question: Teacher asked me this: Solve 17*m = 22*m + 159*m - 656 for m.
++++++++++
answer: 4

question: Teacher asked me this: Solve 3927 = -87*m - 42*m - 102*m for m.
++++++++++
answer: -17

question: Teacher asked me this: Solve 0 = -4*i - 9 + 5 for i.
++++++++++
answer: -1

question: Teacher asked me this: Solve 5*i - 15 = 8*i for i.
++++++++++
answer:
-5