question: Teacher asked me this: Solve 221*d - 920 - 8921 = 325 for d.
++++++++++
answer: 46

question: Teacher asked me this: Solve -70*b + 245 = -35 for b.
++++++++++
answer: 4

question: Teacher asked me this: Solve 4479*b - 2236*b + 144 = 2240*b for b.
++++++++++
answer: -48

question: Teacher asked me this: Solve 0 = -2017*p + 2026*p + 99 for p.
++++++++++
answer:
-11