ayahs
ayahs
07-06-2018
Mathematics
contestada
Please I need answers ASAP
Respuesta :
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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