-639=9(1-8n)

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Solution for -639=9(1-8n) equation:


-639=9(1-8n)

We simplify the equation to the form, which is simple to understand 
-639=9(1-8n)

Reorder the terms in parentheses
-639=+(+9-72n)

Remove unnecessary parentheses
-639=+9-72n

We move all terms containing n to the left and all other terms to the right. 
+72n=+9+639

We simplify left and right side of the equation. 
+72n=+648

We divide both sides of the equation by 072 to get n. 
n=9

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