80+4n=100

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Solution for 80+4n=100 equation:



80+4n=100
We move all terms to the left:
80+4n-(100)=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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