7+8n=4n+5n

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



7+8n=4n+5n

We move all terms to the left:

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

We add all the numbers together, and all the variables

8n-(+9n)+7=0

We get rid of parentheses

8n-9n+7=0

We add all the numbers together, and all the variables

-1n+7=0

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

-n=-7

n=-7/-1

n=+7

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