ChristianHidalgo ChristianHidalgo

13-07-2016
Mathematics

contestada

x − 3y = −6 2x − 7y = 10

Respuesta :

13-07-2016

x-3y= -6
x=3y-6
2x-7y=10
2(3y-6)-7y=10
6y-12-7y=10
-12-y=10
y=-22
x= 3(-22)-6
x=-66-6
x=-72

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