4-n-n-2n=20

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Solution for 4-n-n-2n=20 equation:


4-n-n-2n=20

We simplify the equation to the form, which is simple to understand 
4-n-n-2n=20

We move all terms containing n to the left and all other terms to the right. 
-1n-1n-2n=+20-4

We simplify left and right side of the equation. 
-4n=+16

We divide both sides of the equation by -4 to get n. 
n=-4

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