question: Teacher asked me this: Solve 163 = -18*q + 145 for q.
++++++++++
answer: -1

question: Teacher asked me this: Solve b + 4*b - 2420 = -2415 for b.
++++++++++
answer: 1

question: Teacher asked me this: Solve 51*o + 61 - 469 = 0 for o.
++++++++++
answer: 8

question: Teacher asked me this: Solve 0 = -61*l + 55*l - 6 for l.
++++++++++
answer:
-1