-2(7n-3)+7n=21-4n

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Solution for -2(7n-3)+7n=21-4n equation:


-2(7n-3)+7n=21-4n

We simplify the equation to the form, which is simple to understand 
-2(7n-3)+7n=21-4n

Reorder the terms in parentheses
+(-14n+6)+7n=21-4n

Remove unnecessary parentheses
-14n+6+7n=+21-4n

We move all terms containing n to the left and all other terms to the right. 
-14n+7n+4n=+21-6

We simplify left and right side of the equation. 
-3n=+15

We divide both sides of the equation by -3 to get n. 
n=-5

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