question: Teacher asked me this: Solve 811*l - 2238*l - 2632*l = -84947 + 434021 for l.
++++++++++
answer: -86

question: Teacher asked me this: Solve -167*a = -165*a for a.
++++++++++
answer: 0

question: Teacher asked me this: Solve 0 = 100*p - 236 + 1236 for p.
++++++++++
answer: -10

question: Teacher asked me this: Solve 11254 + 1012 + 3094 = 512*r for r.
++++++++++
answer:
30