3x=(4x+20)

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Solution for 3x=(4x+20) equation: 



3x=(4x+20)

We move all terms to the left:

3x-((4x+20))=0



We calculate terms in parentheses: -((4x+20)), so:

(4x+20)

We get rid of parentheses

4x+20

Back to the equation:

-(4x+20)



We get rid of parentheses

3x-4x-20=0

We add all the numbers together, and all the variables

-1x-20=0

We move all terms containing x to the left, all other terms to the right

-x=20

x=20/-1

x=-20

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