question: Teacher asked me this: Solve 29*p = -121*p - 94*p - 4880 for p.
++++++++++
answer: -20

question: Teacher asked me this: Solve 23812 + 6281 = 205*b + 164*b + 5739 for b.
++++++++++
answer: 66

question: Teacher asked me this: Solve -n = -235 + 240 for n.
++++++++++
answer: -5

question: Teacher asked me this: Solve -2*r + 74 = 80 for r.
++++++++++
answer:
-3