3n-4+7n=13

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Solution for 3n-4+7n=13 equation: 



3n-4+7n=13

We move all terms to the left:

3n-4+7n-(13)=0

We add all the numbers together, and all the variables

10n-17=0

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

10n=17

n=17/10

n=1+7/10

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