-(n+4)=21

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Solution for -(n+4)=21 equation:


-(n+4)=21

We simplify the equation to the form, which is simple to understand 
-(n+4)=21

Remove unnecessary parentheses
-1n-4=21

We move all terms containing n to the left and all other terms to the right. 
-1n=+21+4

We simplify left and right side of the equation. 
-1n=+25

We divide both sides of the equation by -1 to get n. 
n=-25

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