x+7=3(x+1)

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



x+7=3(x+1)

We move all terms to the left:

x+7-(3(x+1))=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 get rid of parentheses

x-3x-3+7=0

We add all the numbers together, and all the variables

-2x+4=0

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

-2x=-4

x=-4/-2

x=+2

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