Sam951 Sam951
  • 07-03-2016
  • Mathematics
contestada

what is 7x + 18y = 132

what is 7x 18y 132 class=

Respuesta :

Willchemistry
Willchemistry Willchemistry
  • 07-03-2016
7x + 18y = 132

subtract 7x from the both sides:

7x - 18y - 7x = 132 - 7 x

18y = 132 - 7x

Divide both sides by 18 :

18y /18 = 132 - 7x / 8

y =132 - 7x / 18

hope this helps!
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good job