3x-9=3-(3-x)

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Solution for 3x-9=3-(3-x) equation: 



3x-9=3-(3-x)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



We calculate terms in parentheses: -(3-(-1x+3)), so:

3-(-1x+3)

determiningTheFunctionDomain
-(-1x+3)+3

We get rid of parentheses

1x-3+3

We add all the numbers together, and all the variables

x

Back to the equation:

-(x)



We add all the numbers together, and all the variables

2x-9=0

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

2x=9

x=9/2

x=4+1/2

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