(3x-9)=(x+3)=180

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Solution for (3x-9)=(x+3)=180 equation: 



(3x-9)=(x+3)=180

We move all terms to the left:

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

We get rid of parentheses

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



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

(x+3)

We get rid of parentheses

x+3

Back to the equation:

-(x+3)



We get rid of parentheses

3x-x-3-9=0

We add all the numbers together, and all the variables

2x-12=0

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

2x=12

x=12/2

x=6

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