8-n+7=4n-5

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Solution for 8-n+7=4n-5 equation: 



8-n+7=4n-5

We move all terms to the left:

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

We add all the numbers together, and all the variables

-1n-(4n-5)+15=0

We get rid of parentheses

-1n-4n+5+15=0

We add all the numbers together, and all the variables

-5n+20=0

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

-5n=-20

n=-20/-5

n=+4

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