-55=-7+8(n+2)

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Solution for -55=-7+8(n+2) equation: 



-55=-7+8(n+2)

We move all terms to the left:

-55-(-7+8(n+2))=0



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

-7+8(n+2)

determiningTheFunctionDomain
8(n+2)-7

We multiply parentheses

8n+16-7

We add all the numbers together, and all the variables

8n+9

Back to the equation:

-(8n+9)



We get rid of parentheses

-8n-9-55=0

We add all the numbers together, and all the variables

-8n-64=0

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

-8n=64

n=64/-8

n=-8

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