sink2001 sink2001

06-05-2017
Mathematics

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if 4+2(3x-4)=8, then 3x-4 equals

Respuesta :

06-05-2017

4+2(3x-4)=8 subtract 4 from both sides

2(3x-4)=4 divide both sides by 2

3x-4=2

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PHDFlopper PHDFlopper

06-05-2017

4+2(3x-4)=8
4+6x-8
6x-4=8
6x=12
x=2

Plug in 2 for x:
3(2)-4
6-4
2

Answer Link

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