-3n+7n=12+2n

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Solution for -3n+7n=12+2n equation:


-3n+7n=12+2n

We simplify the equation to the form, which is simple to understand 
-3n+7n=12+2n

We move all terms containing n to the left and all other terms to the right. 
-3n+7n-2n=+12

We simplify left and right side of the equation. 
+2n=+12

We divide both sides of the equation by 2 to get n. 
n=6

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