question: Teacher asked me this: Solve 48*c + 307 = -77 for c.
++++++++++
answer: -8

question: Teacher asked me this: Solve -427*x - 563*x - 1923*x = 2913 for x.
++++++++++
answer: -1

question: Teacher asked me this: Solve -100*x = -93*x for x.
++++++++++
answer: 0

question: Teacher asked me this: Solve -4153*k = -728*k - 109600 for k.
++++++++++
answer:
32