2+2n-21=15

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Solution for 2+2n-21=15 equation:


2+2n-21=15

We simplify the equation to the form, which is simple to understand 
2+2n-21=15

We move all terms containing n to the left and all other terms to the right. 
+2n=+15-2+21

We simplify left and right side of the equation. 
+2n=+34

We divide both sides of the equation by 2 to get n. 
n=17

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