question: Teacher asked me this: Solve -54*x = x - 330 for x.
++++++++++
answer: 6

question: Teacher asked me this: Solve 245*y + 44 = 234*y for y.
++++++++++
answer: -4

question: Teacher asked me this: Solve 91*c = 237*c + 72*c + 3270 for c.
++++++++++
answer: -15

question: Teacher asked me this: Solve 0 = -499*f + 457*f + 126 for f.
++++++++++
answer:
3