question: Teacher asked me this: Solve 2399*g - 2402*g - 27 = 0 for g.
++++++++++
answer: -9

question: Teacher asked me this: Solve -911*i = -30 - 725 - 156 for i.
++++++++++
answer: 1

question: Teacher asked me this: Solve 29906 = 1530*r - 127684 for r.
++++++++++
answer: 103

question: Teacher asked me this: Solve 21*c - 76*c + 12*c = 84*c + 6731 for c.
++++++++++
answer:
-53