question: Teacher asked me this: Solve 810 = -568*c + 514*c for c.
++++++++++
answer: -15

question: Teacher asked me this: Solve 85 = 287*g - 270*g for g.
++++++++++
answer: 5

question: Teacher asked me this: Solve -11*l + 377 = -5*l + 23*l for l.
++++++++++
answer: 13

question: Teacher asked me this: Solve -21*o = 4*o + 50 for o.
++++++++++
answer:
-2