3N-9+N=N+18

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Solution for 3N-9+N=N+18 equation:


3n-9+n=n+18

We simplify the equation to the form, which is simple to understand 
3n-9+n=n+18

We move all terms containing n to the left and all other terms to the right. 
+3n+1n-1n=+18+9

We simplify left and right side of the equation. 
+3n=+27

We divide both sides of the equation by 3 to get n. 
n=9

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