13n-9=4

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Solution for 13n-9=4 equation: 



13n-9=4

We move all terms to the left:

13n-9-(4)=0

We add all the numbers together, and all the variables

13n-13=0

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

13n=13

n=13/13

n=1

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