-2n+7=21

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Solution for -2n+7=21 equation:


-2n+7=21

We simplify the equation to the form, which is simple to understand 
-2n+7=21

We move all terms containing n to the left and all other terms to the right. 
-2n=+21-7

We simplify left and right side of the equation. 
-2n=+14

We divide both sides of the equation by -2 to get n. 
n=-7

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