question: Teacher asked me this: Solve 91*p - 20 = 87*p for p.
++++++++++
answer: 5

question: Teacher asked me this: Solve 17*d - 98 = 53*d - 29*d for d.
++++++++++
answer: -14

question: Teacher asked me this: Solve -2*b = -b - 0*b for b.
++++++++++
answer: 0

question: Teacher asked me this: Solve -9302 - 63692 = 490*n - 8314 for n.
++++++++++
answer:
-132