7n+7(5n+7)=343

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Solution for 7n+7(5n+7)=343 equation:


7n+7(5n+7)=343

We simplify the equation to the form, which is simple to understand 
7n+7(5n+7)=343

Reorder the terms in parentheses
7n+(+35n+49)=343

Remove unnecessary parentheses
+7n+35n+49=+343

We move all terms containing n to the left and all other terms to the right. 
+7n+35n=+343-49

We simplify left and right side of the equation. 
+42n=+294

We divide both sides of the equation by 42 to get n. 
n=7

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