Question

tell me answer quickly​

Answer 1

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$y = \dfrac{17}{15}$

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$\dfrac{y - (7 - 8y)}{9y - (3 + 4y)} = \dfrac{2}{3} \\ \\ \dfrac{y - 7 + 8y}{9y - 3 - 4y} = \dfrac{2}{3}$

Cross multiplying we get:

$3(9y - 7) = 2(5y - 3) \\ \\ 27y - 21 = 10y - 6$

Shifting y terms to LHS and constants to RHS,

$27y - 10y = 21 - 6 \\ \\ 17y = 15 \\ \\ y = \dfrac{17}{15}$

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Answer 2

Answer:

3( y-7+8y) =2(9y-4-4y)

3(9y-7) =2(5y-4)

27y-21= 10y-8

27y-10y= 21-8

17y=13

y= 13/17 Ans