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

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



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

We move all terms to the left:

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



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

4(n-5)+7

We multiply parentheses

4n-20+7

We add all the numbers together, and all the variables

4n-13

Back to the equation:

-(4n-13)



We get rid of parentheses

2n-4n+13+5=0

We add all the numbers together, and all the variables

-2n+18=0

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

-2n=-18

n=-18/-2

n=+9

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