3 years ago

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

Mathematics

1 answer:

Paraphin [41]3 years ago

4 0

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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