question: Teacher asked me this: Solve -430 = -348*f + 391*f for f.
++++++++++
answer: -10

question: Teacher asked me this: Solve -24*x + 1206 = 43*x for x.
++++++++++
answer: 18

question: Teacher asked me this: Solve 0 = 11*x - 250 + 239 for x.
++++++++++
answer: 1

question: Teacher asked me this: Solve -379*i + 2627 - 218 + 282 = 38 for i.
++++++++++
answer:
7