question: Teacher asked me this: Solve 0 = -112*f + 34*f + 78 for f.
++++++++++
answer: 1

question: Teacher asked me this: Solve 31784 = 4546*o - 4778*o for o.
++++++++++
answer: -137

question: Teacher asked me this: Solve -1 = u - 4 for u.
++++++++++
answer: 3

question: Teacher asked me this: Solve 161*g = 206*g + 360 for g.
++++++++++
answer:
-8