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

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



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

We move all terms to the left:

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

We multiply parentheses

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



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

3x+3(x-1)

We multiply parentheses

3x+3x-3

We add all the numbers together, and all the variables

6x-3

Back to the equation:

-(6x-3)



We get rid of parentheses

3x-6x+3+9=0

We add all the numbers together, and all the variables

-3x+12=0

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

-3x=-12

x=-12/-3

x=+4

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