brendaaneliz brendaaneliz

28-10-2016
Mathematics

contestada

solve the equation
algebra 2

-6=3x-6y
4x=4+5x

Respuesta :

04-11-2016

3x = 6y - 6
x = 2y - 2

4 ( 2y - 2 ) = 4 + 5 ( 2y - 2 )
8y - 8 = 4 + 10y - 10
2y = - 2
y = - 1

x = 2 ( - 1 ) - 2
x = - 4

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