31=-2n+9

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Solution for 31=-2n+9 equation:


31=-2n+9

We simplify the equation to the form, which is simple to understand 
31=-2n+9

We move all terms containing n to the left and all other terms to the right. 
+2n=+9-31

We simplify left and right side of the equation. 
+2n=-22

We divide both sides of the equation by 02 to get n. 
n=-11

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