3n=10-7n

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Solution for 3n=10-7n equation: 



3n=10-7n

We move all terms to the left:

3n-(10-7n)=0

We add all the numbers together, and all the variables

3n-(-7n+10)=0

We get rid of parentheses

3n+7n-10=0

We add all the numbers together, and all the variables

10n-10=0

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

10n=10

n=10/10

n=1

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