question: Teacher asked me this: Solve -42063*c + 696 = -42121*c for c.
++++++++++
answer: -12

question: Teacher asked me this: Solve 5281*f = 4785*f - 31744 for f.
++++++++++
answer: -64

question: Teacher asked me this: Solve 0 = -34*p + 21 - 123 for p.
++++++++++
answer: -3

question: Teacher asked me this: Solve 0 = -27*i - 47 - 7 for i.
++++++++++
answer:
-2