(3x+4)=(7x-20)

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Solution for (3x+4)=(7x-20) equation: 



(3x+4)=(7x-20)

We move all terms to the left:

(3x+4)-((7x-20))=0

We get rid of parentheses

3x-((7x-20))+4=0



We calculate terms in parentheses: -((7x-20)), so:

(7x-20)

We get rid of parentheses

7x-20

Back to the equation:

-(7x-20)



We get rid of parentheses

3x-7x+20+4=0

We add all the numbers together, and all the variables

-4x+24=0

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

-4x=-24

x=-24/-4

x=+6

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