question: Teacher asked me this: Solve 644*y = 982*y - 676 for y.
++++++++++
answer: 2

question: Teacher asked me this: Solve 45*m + 92 = -m for m.
++++++++++
answer: -2

question: Teacher asked me this: Solve -20 = 5*y - y for y.
++++++++++
answer: -5

question: Teacher asked me this: Solve -11*x = x for x.
++++++++++
answer:
0