84+18n=210

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Solution for 84+18n=210 equation: 



84+18n=210

We move all terms to the left:

84+18n-(210)=0

We add all the numbers together, and all the variables

18n-126=0

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

18n=126

n=126/18

n=7

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