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

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Solution for 3x-(9x+7)=3-(9x-9) equation: 



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

We move all terms to the left:

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

We get rid of parentheses

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



We calculate terms in parentheses: -(3-(9x-9)), so:

3-(9x-9)

determiningTheFunctionDomain
-(9x-9)+3

We get rid of parentheses

-9x+9+3

We add all the numbers together, and all the variables

-9x+12

Back to the equation:

-(-9x+12)



We add all the numbers together, and all the variables

-6x-(-9x+12)-7=0

We get rid of parentheses

-6x+9x-12-7=0

We add all the numbers together, and all the variables

3x-19=0

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

3x=19

x=19/3

x=6+1/3

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