-21=3+4n

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Solution for -21=3+4n equation:


-21=3+4n

We simplify the equation to the form, which is simple to understand 
-21=3+4n

We move all terms containing n to the left and all other terms to the right. 
-4n=+3+21

We simplify left and right side of the equation. 
-4n=+24

We divide both sides of the equation by -04 to get n. 
n=-6

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