-(-7)-4*5=

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Solution for -(-7)-4*5= equation:


-(-7)-4*5=0

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

Simplifying:
-(-7)-20=0

Remove unnecessary parentheses
+7-20=0

We move all terms containing  to the left and all other terms to the right. 
0=0-7+20

We simplify left and right side of the equation. 
0=+13

0=13

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

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