brilovesu61 brilovesu61
  • 21-06-2017
  • Mathematics
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What is the value of x in the equation 3x – y = 18, when y = 27?

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Аноним Аноним
  • 21-06-2017
3x – y = 18
3x – 27 = 18
3x= 45
  x =15
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accamacho
accamacho accamacho
  • 21-06-2017
3x-y=18, substitute y=27 then you get 3x-27=18., add 27 to each side to get x by itself, 3x=45, then divide by 3 and you get x=15
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