21+21n=28+14

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Solution for 21+21n=28+14 equation: 



21+21n=28+14

We move all terms to the left:

21+21n-(28+14)=0

We add all the numbers together, and all the variables

21n+21-42=0

We add all the numbers together, and all the variables

21n-21=0

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

21n=21

n=21/21

n=1

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