Seudónimo
Seudónimo
03-04-2017
Mathematics
contestada
algebra help pleaseee
Respuesta :
lisee7
lisee7
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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