absolcool77 absolcool77

25-08-2017
Mathematics

contestada

What is -(7 - 5x) = -2x

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apologiabiology apologiabiology

25-08-2017

remember, you can do anything to an equation as long as you do it to both sides

times both sides by -1
7-5x=2x
add 5x both sides
7=7x
divide both sides by 7
1=x
x=1

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