(+7)+(-5)+(-4)+(+9)=

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Solution for (+7)+(-5)+(-4)+(+9)= equation:


(+7) + (-5) +  (-4) +( +9) =0

We simplify the equation to the form, which is simple to understand 
(+7)+(-5)+(-4)+(+9)=0

Remove unnecessary parentheses
+7+(-5)+(-4)+(+9)=0

Remove unnecessary parentheses
+7-5+(-4+)+(+9+)=0

Remove unnecessary parentheses
+7-5-4+(+9+)=0

Remove unnecessary parentheses
+7-5-4+9=0

We move all terms containing  to the left and all other terms to the right. 
0=0-7+5+4-9

We simplify left and right side of the equation. 
0=-7

0=-7

The left and right sides are not equal, therefore there is no solution. This equation is invalid.

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