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16-02-2018
Mathematics

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system of equations(substitution) 4x + 4y = -16 y = 3

Respuesta :

16-02-2018

y= 3

Substitute 3 into equation for y

4x + 4y = -16
4x + 4(3)= -16
4x + 12= -16
Subtract 12 from both sides
4x= -28
Divide both sides by 4
x= -7

Hope this helps! :)

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