4n+100=2n+40

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Solution for 4n+100=2n+40 equation: 



4n+100=2n+40

We move all terms to the left:

4n+100-(2n+40)=0

We get rid of parentheses

4n-2n-40+100=0

We add all the numbers together, and all the variables

2n+60=0

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

2n=-60

n=-60/2

n=-30

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