arubanaveed2005 arubanaveed2005

18-08-2020
Mathematics

contestada

A fraction becomes 7/9
if 4 is added to both numerator and the denominator, if 2 is subtracted from both numerator and the denominator it
becomes1/3
find the fraction

Respuesta :

annezhuzhu annezhuzhu

18-08-2020

Answer:

Step-by-step explanation:

(x+4)/(y+4)=7/9, x=(7y-8)/9

(x-2)/(y-2)=1/3, so, y+3x=4

so, 21x-36=9x, x=6/5,y=-2/5

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