6x+3(x+9)=135

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Solution for 6x+3(x+9)=135 equation: 



6x+3(x+9)=135

We move all terms to the left:

6x+3(x+9)-(135)=0

We multiply parentheses

6x+3x+27-135=0

We add all the numbers together, and all the variables

9x-108=0

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

9x=108

x=108/9

x=12

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