1n+5n+15=5n+7n

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Solution for 1n+5n+15=5n+7n equation:



1n+5n+15=5n+7n
We move all terms to the left:
1n+5n+15-(5n+7n)=0
We add all the numbers together, and all the variables
1n+5n-(+12n)+15=0
We add all the numbers together, and all the variables
6n-(+12n)+15=0
We get rid of parentheses
6n-12n+15=0
We add all the numbers together, and all the variables
-6n+15=0
We move all terms containing n to the left, all other terms to the right
-6n=-15
n=-15/-6
n=2+1/2

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