3x=(5x+2x)

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Solution for 3x=(5x+2x) equation: 



3x=(5x+2x)

We move all terms to the left:

3x-((5x+2x))=0

We add all the numbers together, and all the variables

3x-((+7x))=0



We calculate terms in parentheses: -((+7x)), so:

(+7x)

We get rid of parentheses

7x

Back to the equation:

-(7x)



We add all the numbers together, and all the variables

-4x=0

x=0/-4

x=0

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