question: Teacher asked me this: Solve 0 = 740*c - 731*c - 45 for c.
++++++++++
answer: 5

question: Teacher asked me this: Solve 0 = -3*f + 6 + 9 for f.
++++++++++
answer: 5

question: Teacher asked me this: Solve -2160*s - 46704 = 119266 - 21250 for s.
++++++++++
answer: -67

question: Teacher asked me this: Solve -2477*a = -2459*a + 54 for a.
++++++++++
answer:
-3