9n+2-7n=4+2(5n+7)

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Solution for 9n+2-7n=4+2(5n+7) equation: 



9n+2-7n=4+2(5n+7)

We move all terms to the left:

9n+2-7n-(4+2(5n+7))=0

We add all the numbers together, and all the variables

2n-(4+2(5n+7))+2=0



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

4+2(5n+7)

determiningTheFunctionDomain
2(5n+7)+4

We multiply parentheses

10n+14+4

We add all the numbers together, and all the variables

10n+18

Back to the equation:

-(10n+18)



We get rid of parentheses

2n-10n-18+2=0

We add all the numbers together, and all the variables

-8n-16=0

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

-8n=16

n=16/-8

n=-2

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