n+(-20)=7-n

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Solution for n+(-20)=7-n equation:


n+(-20)=7-n

We simplify the equation to the form, which is simple to understand 
n+(-20)=7-n

Remove unnecessary parentheses
+n-20=+7-n

We move all terms containing n to the left and all other terms to the right. 
+1n+1n=+7+20

We simplify left and right side of the equation. 
+2n=+27

We divide both sides of the equation by 2 to get n. 
n=13.5

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