x-3x+9=6+x

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Solution for x-3x+9=6+x equation: 



x-3x+9=6+x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

-2x-(x+6)+9=0

We get rid of parentheses

-2x-x-6+9=0

We add all the numbers together, and all the variables

-3x+3=0

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

-3x=-3

x=-3/-3

x=1

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