-n=18-7n

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Solution for -n=18-7n equation:



-n=18-7n
We move all terms to the left:
-n-(18-7n)=0
We add all the numbers together, and all the variables
-n-(-7n+18)=0
We add all the numbers together, and all the variables
-1n-(-7n+18)=0
We get rid of parentheses
-1n+7n-18=0
We add all the numbers together, and all the variables
6n-18=0
We move all terms containing n to the left, all other terms to the right
6n=18
n=18/6
n=3

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