20+n=21

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Solution for 20+n=21 equation:


20+n=21

We simplify the equation to the form, which is simple to understand 
20+n=21

We move all terms containing n to the left and all other terms to the right. 
+1n=+21-20

We simplify left and right side of the equation. 
+1n=+1

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

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