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

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Solution for 9(x+1)=3(7x+3) equation: 



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

We move all terms to the left:

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

We multiply parentheses

9x-(3(7x+3))+9=0



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

3(7x+3)

We multiply parentheses

21x+9

Back to the equation:

-(21x+9)



We get rid of parentheses

9x-21x-9+9=0

We add all the numbers together, and all the variables

-12x=0

x=0/-12

x=0

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