Question

3x-5y-4=0 और 9x=2y+7​

Answer 1

Answer:

this is correct answer.........

Answer 2

Answer:  $x=\frac{9}{13}$   and  $y=-\frac{5}{13}$

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Step-by-step explanation:

$3x-5y-4=0$   ------------> (1.)

$9x-2y-7=0$   ------------> (2.)

multiply (1.) with 3

=>    $9x-15y-12=0$    -----------> (3.)

now, subtract (3.) from (2.)

=>  $9x-9x-2y+15y+12-7=0$

=>  $13y=-5$

=>  $y=-\frac{5}{13}$

put " y " in (1.)

=>   $3x-5(\frac{-5}{13} )-4=0$

=>   $39x+25=52$

=>  $39x=27$

=>   $x=\frac{9}{13}$