3(x+1)+x=9

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



3(x+1)+x=9

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

x+3x+3-9=0

We add all the numbers together, and all the variables

4x-6=0

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

4x=6

x=6/4

x=1+1/2

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