3(x+1)=9+3

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



3(x+1)=9+3

We move all terms to the left:

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

We add all the numbers together, and all the variables

3(x+1)-12=0

We multiply parentheses

3x+3-12=0

We add all the numbers together, and all the variables

3x-9=0

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

3x=9

x=9/3

x=3

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