(3x-15)=(9x+3)

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Solution for (3x-15)=(9x+3) equation: 



(3x-15)=(9x+3)

We move all terms to the left:

(3x-15)-((9x+3))=0

We get rid of parentheses

3x-((9x+3))-15=0



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

(9x+3)

We get rid of parentheses

9x+3

Back to the equation:

-(9x+3)



We get rid of parentheses

3x-9x-3-15=0

We add all the numbers together, and all the variables

-6x-18=0

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

-6x=18

x=18/-6

x=-3

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