-10x - 6y=0 -4x -… - QuestionCove

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Mathematics 9 Online

OpenStudy (anonymous):

-10x - 6y=0 -4x - 6y=54

15 years ago

OpenStudy (anonymous):

alrighty, so u can multiply the first equation by -1 to get 10x+6y=0. add it to the second equation to get 6x=54. so x=9. substitute it into the first equation to get : -10(9)-6y=0. So 6y=90. y=15.

15 years ago

OpenStudy (anonymous):

wats x?

15 years ago

OpenStudy (anonymous):

x=9. y=-15.

15 years ago

OpenStudy (anonymous):

thanks the other dude made me get it wrong

15 years ago

OpenStudy (anonymous):

lol it's ok.

15 years ago

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