-3n-7n=20

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Solution for -3n-7n=20 equation:


-3n-7n=20

We simplify the equation to the form, which is simple to understand 
-3n-7n=20

We move all terms containing n to the left and all other terms to the right. 
-3n-7n=+20

We simplify left and right side of the equation. 
-10n=+20

We divide both sides of the equation by -10 to get n. 
n=-2

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