(13x+21=10x+21)

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Solution for (13x+21=10x+21) equation: 



(13x+21=10x+21)

We move all terms to the left:

(13x+21-(10x+21))=0



We calculate terms in parentheses: +(13x+21-(10x+21)), so:

13x+21-(10x+21)

determiningTheFunctionDomain
13x-(10x+21)+21

We get rid of parentheses

13x-10x-21+21

We add all the numbers together, and all the variables

3x

Back to the equation:

+(3x)



x=0/3

x=0

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