n+18-2(n-20)=0

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Solution for n+18-2(n-20)=0 equation:


n+18-2(n-20)=0

We simplify the equation to the form, which is simple to understand 
n+18-2(n-20)=0

Reorder the terms in parentheses
n+18+(-2n+40)=0

Remove unnecessary parentheses
+n+18-2n+40=0

We move all terms containing n to the left and all other terms to the right. 
+1n-2n=0-18-40

We simplify left and right side of the equation. 
-1n=-58

We divide both sides of the equation by -1 to get n. 
n=58

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