7n-8=4n+28

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Solution for 7n-8=4n+28 equation: 



7n-8=4n+28

We move all terms to the left:

7n-8-(4n+28)=0

We get rid of parentheses

7n-4n-28-8=0

We add all the numbers together, and all the variables

3n-36=0

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

3n=36

n=36/3

n=12

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