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30-11-2016
Mathematics

contestada

System by Substitution

-3x-3y= -12
Y=0

Respuesta :

KeaneNR KeaneNR

30-11-2016

Substitute the 0 in for y:
-3x - 3(0) = -12
-3x - 0 = -12
-3x = -12

Divide by -3:
-12/-3= 4

Answer:
x = 4

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