2n-1=20

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Solution for 2n-1=20 equation:


2n-1=20

We simplify the equation to the form, which is simple to understand 
2n-1=20

We move all terms containing n to the left and all other terms to the right. 
+2n=+20+1

We simplify left and right side of the equation. 
+2n=+21

We divide both sides of the equation by 2 to get n. 
n=10.5

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