9-(-x)=-4

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Solution for 9-(-x)=-4 equation:


9-(-x)=-4

We simplify the equation to the form, which is simple to understand 
9-(-x)=-4

Remove unnecessary parentheses
9+1x=-4

We move all terms containing x to the left and all other terms to the right. 
+1x=-4-9

We simplify left and right side of the equation. 
+1x=-13

We divide both sides of the equation by 1 to get x. 
x=-13

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