21n+22=28+15n

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Solution for 21n+22=28+15n equation: 



21n+22=28+15n

We move all terms to the left:

21n+22-(28+15n)=0

We add all the numbers together, and all the variables

21n-(15n+28)+22=0

We get rid of parentheses

21n-15n-28+22=0

We add all the numbers together, and all the variables

6n-6=0

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

6n=6

n=6/6

n=1

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