Question

(i) 9 - (x – 4) = y + 7
2(x + y) = 4 - 3y

in ELIMINATION METHOD ​

Answer 1

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$9 - (x - 4) = y + 7$

$9 - x + 4 = y + 7$

$9 + 4 - 7 = x + y$

$x + y = 6$

NOW,

$2(x + y) = 4 - 3y$

$2(6) = 4 - 3y$

$12 - 4 = - 3y$

$8 = - 3y$

$y = \frac{ - 8}{3}$

AS WE KNOW THAT :-

$x + y = 6$

$x + \frac{ - 8}{3} = 6$

$x = 6 - ( \frac{ - 8}{3} )$

$x = 6 + \frac{8}{3}$

$x = \frac{26}{3}$

Answer 2

Answer:

26/3 ans

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