n-(-7)=3

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


n-(-7)=3

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

Remove unnecessary parentheses
n+7=3

We move all terms containing n to the left and all other terms to the right. 
+1n=+3-7

We simplify left and right side of the equation. 
+1n=-4

We divide both sides of the equation by 1 to get n. 
n=-4

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