150-n-2n=120+2n

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Solution for 150-n-2n=120+2n equation: 



150-n-2n=120+2n

We move all terms to the left:

150-n-2n-(120+2n)=0

We add all the numbers together, and all the variables

-n-2n-(2n+120)+150=0

We add all the numbers together, and all the variables

-3n-(2n+120)+150=0

We get rid of parentheses

-3n-2n-120+150=0

We add all the numbers together, and all the variables

-5n+30=0

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

-5n=-30

n=-30/-5

n=+6

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