5n+3n+n-2n=7

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Solution for 5n+3n+n-2n=7 equation: 



5n+3n+n-2n=7

We move all terms to the left:

5n+3n+n-2n-(7)=0

We add all the numbers together, and all the variables

7n-7=0

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

7n=7

n=7/7

n=1

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