(13x-21=5x+75)

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Solution for (13x-21=5x+75) equation: 



(13x-21=5x+75)

We move all terms to the left:

(13x-21-(5x+75))=0



We calculate terms in parentheses: +(13x-21-(5x+75)), so:

13x-21-(5x+75)

determiningTheFunctionDomain
13x-(5x+75)-21

We get rid of parentheses

13x-5x-75-21

We add all the numbers together, and all the variables

8x-96

Back to the equation:

+(8x-96)



We get rid of parentheses

8x-96=0

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

8x=96

x=96/8

x=12

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