question: Teacher asked me this: Solve -99*q + 543 + 480 - 2692 = 2291 for q.
++++++++++
answer: -40

question: Teacher asked me this: Solve 3519*i - 1633*i = 88642 for i.
++++++++++
answer: 47

question: Teacher asked me this: Solve 0 = -5*u - 215 + 220 for u.
++++++++++
answer: 1

question: Teacher asked me this: Solve 30*r - 57 - 93 = 0 for r.
++++++++++
answer:
5