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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