7-n=8n

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Solution for 7-n=8n equation:



7-n=8n
We move all terms to the left:
7-n-(8n)=0
We add all the numbers together, and all the variables
-9n+7=0
We move all terms containing n to the left, all other terms to the right
-9n=-7
n=-7/-9
n=7/9

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