7x-(x+3)=3(x+1)

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Solution for 7x-(x+3)=3(x+1) equation: 



7x-(x+3)=3(x+1)

We move all terms to the left:

7x-(x+3)-(3(x+1))=0

We get rid of parentheses

7x-x-(3(x+1))-3=0



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

3(x+1)

We multiply parentheses

3x+3

Back to the equation:

-(3x+3)



We add all the numbers together, and all the variables

6x-(3x+3)-3=0

We get rid of parentheses

6x-3x-3-3=0

We add all the numbers together, and all the variables

3x-6=0

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

3x=6

x=6/3

x=2

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