ayahs
ayahs ayahs
  • 07-06-2018
  • Mathematics
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Please I need answers ASAP

Please I need answers ASAP class=

Respuesta :

AL2006
AL2006 AL2006
  • 07-06-2018
9+x / 3x  =  5/6

If you look at it as a proportion, then you can "cross-multiply" it"

(9+x) · 6  =  3x · 5

54 + 6x  =  15x

Subtract 6x from each side:

54  =  9x

Divide each side by 9 :

6 = x
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