(5+n)+(n-5)=40

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Solution for (5+n)+(n-5)=40 equation:



(5+n)+(n-5)=40
We move all terms to the left:
(5+n)+(n-5)-(40)=0
We add all the numbers together, and all the variables
(n+5)+(n-5)-40=0
We get rid of parentheses
n+n+5-5-40=0
We add all the numbers together, and all the variables
2n-40=0
We move all terms containing n to the left, all other terms to the right
2n=40
n=40/2
n=20

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