n-21=-3(-4+7)+6n

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Solution for n-21=-3(-4+7)+6n equation:


n-21=-3(-4+7)+6n

We simplify the equation to the form, which is simple to understand 
n-21=-3(-4+7)+6n

Simplifying terms in parentheses
n-21=-3*(+3)+6n

Reorder the terms in parentheses
n-21=+(-9)+6n

Remove unnecessary parentheses
+n-21=-9+6n

We move all terms containing n to the left and all other terms to the right. 
+1n-6n=-9+21

We simplify left and right side of the equation. 
-5n=+12

We divide both sides of the equation by -5 to get n. 
n=-2.4

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