n+n+n=20-17

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Solution for n+n+n=20-17 equation: 



n+n+n=20-17

We move all terms to the left:

n+n+n-(20-17)=0

We add all the numbers together, and all the variables

n+n+n-3=0

We add all the numbers together, and all the variables

3n-3=0

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

3n=3

n=3/3

n=1

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