shaye52
shaye52 shaye52
  • 26-09-2017
  • Mathematics
contestada

Is 8x greater than or equal to -40

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awesome1st
awesome1st awesome1st
  • 26-09-2017
I think you are asking if -8x ≥ 40, find x. What we do here is we divide negative 8 by both sides. This gives us x ≥ 5. BUT, we have to be careful!!!! When we divide an inequality on both sides by a negative number, we have to switch the sign. Thus, our answer is x ≤ 5. 
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