question: Teacher asked me this: Solve 11*a - 2*a = 0 for a.
++++++++++
answer: 0

question: Teacher asked me this: Solve -118*g + 314*g = -229*g - 11900 for g.
++++++++++
answer: -28

question: Teacher asked me this: Solve -233 = 150*h - 75 + 292 for h.
++++++++++
answer: -3

question: Teacher asked me this: Solve 1493*r - 771 = 16780 + 9323 for r.
++++++++++
answer:
18