3x+3(x+9)=81

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Solution for 3x+3(x+9)=81 equation: 



3x+3(x+9)=81

We move all terms to the left:

3x+3(x+9)-(81)=0

We multiply parentheses

3x+3x+27-81=0

We add all the numbers together, and all the variables

6x-54=0

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

6x=54

x=54/6

x=9

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