Math, asked by nsumayya53, 8 months ago

3x-5y-4=o and 9x=2y+7​

Answers

Answered by Abhipamuu
2

Answer:

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Answered by pokalaviswaja
1

Answer:

x=9/13and y= -5/13

Step-by-step explanation:

3x-5y-4=0.......(1)

9x-2y+7.........(2)

From equation(1) we have:

3(3x-5y-4=0)==>9x-15y-12=0.....(3)

Substracting(2) from (3),

9x-15y-12=0

9x-2y-7=0

(-) (+) (+)

__________

-13y-5=0

___________

===>y=(-5/13)

Now from (1),we get

3x-5(-5/13)-4=0

===> 3x+25/13-4=0

===> 3x=-25+52/13=27/13

===>x=27/13×1/3=9/13

Thus,x=9/13 and y = -5/13

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