n+7=3+7

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Solution for n+7=3+7 equation: 



n+7=3+7

We move all terms to the left:

n+7-(3+7)=0

We add all the numbers together, and all the variables

n+7-10=0

We add all the numbers together, and all the variables

n-3=0

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

n=3

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