question: Teacher asked me this: Solve -5*f = -134*f - 712 - 62 for f.
++++++++++
answer: -6

question: Teacher asked me this: Solve 42*y = -22494 + 22788 for y.
++++++++++
answer: 7

question: Teacher asked me this: Solve -128 = -10*p - 208 for p.
++++++++++
answer: -8

question: Teacher asked me this: Solve 12*r + 33 - 81 = 0 for r.
++++++++++
answer:
4