3x-69=9x+39

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Solution for 3x-69=9x+39 equation: 



3x-69=9x+39

We move all terms to the left:

3x-69-(9x+39)=0

We get rid of parentheses

3x-9x-39-69=0

We add all the numbers together, and all the variables

-6x-108=0

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

-6x=108

x=108/-6

x=-18

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