7(n-3)=42

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Solution for 7(n-3)=42 equation:


7(n-3)=42

We simplify the equation to the form, which is simple to understand 
7(n-3)=42

Reorder the terms in parentheses
+(+7n-21)=42

Remove unnecessary parentheses
+7n-21=+42

We move all terms containing n to the left and all other terms to the right. 
+7n=+42+21

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

We divide both sides of the equation by 7 to get n. 
n=9

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