-81=-9(8+n)

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Solution for -81=-9(8+n) equation:


-81=-9(8+n)

We simplify the equation to the form, which is simple to understand 
-81=-9(8+n)

Reorder the terms in parentheses
-81=+(-72-9n)

Remove unnecessary parentheses
-81=-72-9n

We move all terms containing n to the left and all other terms to the right. 
+9n=-72+81

We simplify left and right side of the equation. 
+9n=+9

We divide both sides of the equation by 09 to get n. 
n=1

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