-4n-9n=21

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Solution for -4n-9n=21 equation:


-4n-9n=21

We simplify the equation to the form, which is simple to understand 
-4n-9n=21

We move all terms containing n to the left and all other terms to the right. 
-4n-9n=+21

We simplify left and right side of the equation. 
-13n=+21

We divide both sides of the equation by -13 to get n. 
n=-1.61538461538

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