question: Teacher asked me this: Solve -210 - 557 = 83*s - 1431 for s.
++++++++++
answer: 8

question: Teacher asked me this: Solve 0 = -54*l + 59*l for l.
++++++++++
answer: 0

question: Teacher asked me this: Solve 650*s + 859*s = 6010 - 49771 for s.
++++++++++
answer: -29

question: Teacher asked me this: Solve 63*x - 240 - 327 = 0 for x.
++++++++++
answer:
9