Seudónimo Seudónimo

03-04-2017
Mathematics

contestada

algebra help pleaseee

algebra help pleaseee class=

Respuesta :

03-04-2017

Multiply botton row by -2
2x-3y= 13
-2x-4y=8
X' cancel
-7y=21
Divide by -7
Y= -3

2x-3(-3)=13
2x+9=13
-9. -9
2x= 4
X= 2

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