question: Teacher asked me this: Solve 96*l + 153 = 45*l for l.
++++++++++
answer: -3

question: Teacher asked me this: Solve 4609*r = 4611*r + 2 for r.
++++++++++
answer: -1

question: Teacher asked me this: Solve 0 = 25464*r - 25141*r + 14212 for r.
++++++++++
answer: -44

question: Teacher asked me this: Solve 0 = 1541*o - 1545*o + 16 for o.
++++++++++
answer:
4