systeme de 2 equation a deux inconnu x-3x=22x+7y=6.... Pergunta de ideia deKrikri29

Krikri29 @Krikri29

April 2019 1 32 Report

systeme de 2 equation a deux inconnu

x-3x=2

2x+7y=6

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JustYoung

x-3x=2

2x+7y=6

-2x=2

2x+7y=6

x= -1

2*(-1) + 7y = 6

x= -1

-2 +7y = 6

x= -1

7y = 8

x= -1

y= 8/7

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