(x+3)+x=(3x-1)

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Solution for (x+3)+x=(3x-1) equation: 



(x+3)+x=(3x-1)

We move all terms to the left:

(x+3)+x-((3x-1))=0

We add all the numbers together, and all the variables

x+(x+3)-((3x-1))=0

We get rid of parentheses

x+x-((3x-1))+3=0



We calculate terms in parentheses: -((3x-1)), so:

(3x-1)

We get rid of parentheses

3x-1

Back to the equation:

-(3x-1)



We add all the numbers together, and all the variables

2x-(3x-1)+3=0

We get rid of parentheses

2x-3x+1+3=0

We add all the numbers together, and all the variables

-1x+4=0

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

-x=-4

x=-4/-1

x=+4

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