3x=9x+1-7

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Solution for 3x=9x+1-7 equation: 



3x=9x+1-7

We move all terms to the left:

3x-(9x+1-7)=0

We add all the numbers together, and all the variables

3x-(9x-6)=0

We get rid of parentheses

3x-9x+6=0

We add all the numbers together, and all the variables

-6x+6=0

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

-6x=-6

x=-6/-6

x=1

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