7n=3n+20

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Solution for 7n=3n+20 equation:



7n=3n+20
We move all terms to the left:
7n-(3n+20)=0
We get rid of parentheses
7n-3n-20=0
We add all the numbers together, and all the variables
4n-20=0
We move all terms containing n to the left, all other terms to the right
4n=20
n=20/4
n=5

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