3n+5=7n

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Solution for 3n+5=7n equation: 



3n+5=7n

We move all terms to the left:

3n+5-(7n)=0

We add all the numbers together, and all the variables

-4n+5=0

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

-4n=-5

n=-5/-4

n=1+1/4

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