question: Teacher asked me this: Solve 1640*l - 3502*l + 45134 = 2593*l - 21691 for l.
++++++++++
answer: 15

question: Teacher asked me this: Solve -51845 = 90*l - 53555 for l.
++++++++++
answer: 19

question: Teacher asked me this: Solve 7053 = -12*f + 6993 for f.
++++++++++
answer: -5

question: Teacher asked me this: Solve -184*g - 349*g = 6396 for g.
++++++++++
answer:
-12