question: Teacher asked me this: Solve 1086*s = 1145*s + 649 for s.
++++++++++
answer: -11

question: Teacher asked me this: Solve 0 = 27*y + 60 + 21 for y.
++++++++++
answer: -3

question: Teacher asked me this: Solve -775*s - 297*s - 27*s - 4396 = 0 for s.
++++++++++
answer: -4

question: Teacher asked me this: Solve -143163 - 221647 - 420884 = 8634*s for s.
++++++++++
answer:
-91