question: Teacher asked me this: Solve -1980*s = -2045*s - 910 for s.
++++++++++
answer: -14

question: Teacher asked me this: Solve 465 - 454 = 11*s for s.
++++++++++
answer: 1

question: Teacher asked me this: Solve -4*k = 23*k + 158 - 23 for k.
++++++++++
answer: -5

question: Teacher asked me this: Solve -181*s + 77*s - 1248 = 0 for s.
++++++++++
answer:
-12