91=7(4+n)

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Solution for 91=7(4+n) equation:


91=7(4+n)

We simplify the equation to the form, which is simple to understand 
91=7(4+n)

Reorder the terms in parentheses
91=+(+28+7n)

Remove unnecessary parentheses
+91=+28+7n

We move all terms containing n to the left and all other terms to the right. 
-7n=+28-91

We simplify left and right side of the equation. 
-7n=-63

We divide both sides of the equation by -07 to get n. 
n=9

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