question: Teacher asked me this: Solve f + 28 - 105 = 29*f - 189 for f.
++++++++++
answer: 4

question: Teacher asked me this: Solve -203*p - 66 = -209*p for p.
++++++++++
answer: 11

question: Teacher asked me this: Solve 12*p + 22157 = 8*p + 22317 for p.
++++++++++
answer: 40

question: Teacher asked me this: Solve 0 = 5*z - 0 + 25 for z.
++++++++++
answer:
-5