amyymiraless22
amyymiraless22
29-08-2017
Mathematics
contestada
3/8x+1/3y=17/24
X+7y=8
Respuesta :
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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