n-40=20+2n

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Solution for n-40=20+2n equation: 



n-40=20+2n

We move all terms to the left:

n-40-(20+2n)=0

We add all the numbers together, and all the variables

n-(2n+20)-40=0

We get rid of parentheses

n-2n-20-40=0

We add all the numbers together, and all the variables

-1n-60=0

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

-n=60

n=60/-1

n=-60

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