100+15n=20n

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Solution for 100+15n=20n equation: 



100+15n=20n

We move all terms to the left:

100+15n-(20n)=0

We add all the numbers together, and all the variables

-5n+100=0

We move all terms containing n to the left, all other terms to the right

-5n=-100

n=-100/-5

n=+20

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