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

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Solution for 4(x+3)-9=x+3(x+1) equation: 



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

We move all terms to the left:

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

We multiply parentheses

4x-(x+3(x+1))+12-9=0



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

x+3(x+1)

We multiply parentheses

x+3x+3

We add all the numbers together, and all the variables

4x+3

Back to the equation:

-(4x+3)



We add all the numbers together, and all the variables

4x-(4x+3)+3=0

We get rid of parentheses

4x-4x-3+3=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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