-9=2n+7n

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Solution for -9=2n+7n equation:


-9=2n+7n

We simplify the equation to the form, which is simple to understand 
-9=2n+7n

We move all terms containing n to the left and all other terms to the right. 
-2n-7n=+9

We simplify left and right side of the equation. 
-9n=+9

We divide both sides of the equation by -9 to get n. 
n=-1

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