23=-(5n-7)-2(4n-8)

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Solution for 23=-(5n-7)-2(4n-8) equation: 



23=-(5n-7)-2(4n-8)

We move all terms to the left:

23-(-(5n-7)-2(4n-8))=0



We calculate terms in parentheses: -(-(5n-7)-2(4n-8)), so:

-(5n-7)-2(4n-8)

We multiply parentheses

-(5n-7)-8n+16

We get rid of parentheses

-5n-8n+7+16

We add all the numbers together, and all the variables

-13n+23

Back to the equation:

-(-13n+23)



We get rid of parentheses

13n-23+23=0

We add all the numbers together, and all the variables

13n=0

n=0/13

n=0

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