Seudónimo Seudónimo

01-01-2017
Mathematics

contestada

solve the equation -4x+12=-4 for x .

Respuesta :

01-01-2017

-4x +12 -12 = -4 -12
-4x = -16
x = 4

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apologiabiology apologiabiology

01-01-2017

times both sides by -1
4x-12=4
add 12 to both sides
4x+12-12=4+12
4x+0=16
4x=16
divide both sides by 4
(4x)/4=16/4
(4/4)x=4
1x=4
x=4

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