7.5=-2.5-(1+2n)

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Solution for 7.5=-2.5-(1+2n) equation: 



7.5=-2.5-(1+2n)

We move all terms to the left:

7.5-(-2.5-(1+2n))=0

We add all the numbers together, and all the variables

-(-2.5-(2n+1))+7.5=0



We calculate terms in parentheses: -(-2.5-(2n+1)), so:

-2.5-(2n+1)

determiningTheFunctionDomain
-(2n+1)-2.5

We get rid of parentheses

-2n-1-2.5

We add all the numbers together, and all the variables

-2n-3.5

Back to the equation:

-(-2n-3.5)



We get rid of parentheses

2n+3.5+7.5=0

We add all the numbers together, and all the variables

2n+11=0

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

2n=-11

n=-11/2

n=-5+1/2

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