question: Teacher asked me this: Solve 0 = -3*l + 2*l + 2 for l.
++++++++++
answer: 2

question: Teacher asked me this: Solve -37*l + 8 = -39*l for l.
++++++++++
answer: -4

question: Teacher asked me this: Solve 6595*c - 6559*c = -2448 for c.
++++++++++
answer: -68

question: Teacher asked me this: Solve -3*c - 4 + 19 = 0 for c.
++++++++++
answer:
5