hyorim1310 hyorim1310

23-07-2021
Mathematics

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( x + 3 )( y + 2 ) = xy - 5
( x + 2 )( y - 3 ) = xy

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learnwithdenizhan learnwithdenizhan

23-07-2021

Answer:

xy+2x+3y+6=xy-5 .............(1)

xy-3x+2y-6=xy.....,.,(2)

2x+3y=-11

-4x+2y=6

first equation multiply by 2

(2)*(2x+3y)=-11

4x+6y=-22

-4x+2y=6

8y=-16 y=(-2),,,,, x=(-2,5)

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