3n=7-4n

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Solution for 3n=7-4n equation: 



3n=7-4n

We move all terms to the left:

3n-(7-4n)=0

We add all the numbers together, and all the variables

3n-(-4n+7)=0

We get rid of parentheses

3n+4n-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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