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

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



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

We move all terms to the left:

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

We multiply parentheses

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



We calculate terms in parentheses: -(3(3x-7)), so:

3(3x-7)

We multiply parentheses

9x-21

Back to the equation:

-(9x-21)



We get rid of parentheses

3x-9x+21+3=0

We add all the numbers together, and all the variables

-6x+24=0

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

-6x=-24

x=-24/-6

x=+4

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