question: Teacher asked me this: Solve 132*k + 74 = 95*k + 370 for k.
++++++++++
answer: 8

question: Teacher asked me this: Solve 2130*f - 3757 - 74647 = 487*f + 25105 for f.
++++++++++
answer: 63

question: Teacher asked me this: Solve -121*r - 1526 = -230*r for r.
++++++++++
answer: 14

question: Teacher asked me this: Solve 8*r + 2 = 7*r for r.
++++++++++
answer:
-2