question: Teacher asked me this: Solve -4973083 = 14*f - 4973783 for f.
++++++++++
answer: 50

question: Teacher asked me this: Solve 0 = -4*q + 7*q - 13*q for q.
++++++++++
answer: 0

question: Teacher asked me this: Solve 8511*u + 5814 = 8397*u for u.
++++++++++
answer: -51

question: Teacher asked me this: Solve 61 = 11*f + 6 for f.
++++++++++
answer:
5