amyymiraless22 amyymiraless22

29-08-2017
Mathematics

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3/8x+1/3y=17/24
X+7y=8

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coolstick coolstick

29-08-2017

Multiplying the first equation and multiplying it by -8/3 (to get rid of the x), we get -8y/9+7y= -64+8=-56. Therefore, -56/(-8/9+7)=y and 8- 7(-56/(-8/9+7))=x by plugging it into the second equation

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