(2n-9=)-(-2.2n+4=)

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Solution for (2n-9=)-(-2.2n+4=) equation: 



(2n-9=)-(-2.2n+4=)

We move all terms to the left:

(2n-9-()-(-2.2n+4)=0



We calculate terms in parentheses: +(2n-9-()-(-2.2n+4), so:

2n-9-()-(-2.2n+4

determiningTheFunctionDomain
2n-(-2.2n+4-9-()



We calculate terms in parentheses: -(-2.2n+4-9-(), so:

-2.2n+4-9-(

We add all the numbers together, and all the variables

-2.2n

Back to the equation:

-(-2.2n)



We get rid of parentheses

2n+2.2n

We add all the numbers together, and all the variables

4.2n

Back to the equation:

+(4.2n)



We add all the numbers together, and all the variables

(+4.2n)=0

We get rid of parentheses

4.2n=0

n=0/4.2

n=0

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