3n-4=12-n

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Solution for 3n-4=12-n equation:



3n-4=12-n
We move all terms to the left:
3n-4-(12-n)=0
We add all the numbers together, and all the variables
3n-(-1n+12)-4=0
We get rid of parentheses
3n+1n-12-4=0
We add all the numbers together, and all the variables
4n-16=0
We move all terms containing n to the left, all other terms to the right
4n=16
n=16/4
n=4

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