7(n-3)-(7-n)=

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


7(n-3)-(7-n)=0

We simplify the equation to the form, which is simple to understand 
7(n-3)-(7-n)=0

Reorder the terms in parentheses
+(+7n-21)-(7-n)=0

Remove unnecessary parentheses
+7n-21-(+7-n+)=0

Remove unnecessary parentheses
+7n-21-7+1n=0

We move all terms containing n to the left and all other terms to the right. 
+7n+1n=0+21+7

We simplify left and right side of the equation. 
+8n=+28

We divide both sides of the equation by 8 to get n. 
n=3.5

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