-2(-1)-5=7

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Solution for -2(-1)-5=7 equation:


-2(-1)-5=7

We simplify the equation to the form, which is simple to understand 
-2(-1)-5=7

Reorder the terms in parentheses
+(+2)-5=7

Remove unnecessary parentheses
+2-5=+7

We move all terms containing  to the left and all other terms to the right. 
0=+7-2+5

We simplify left and right side of the equation. 
0=+10

0=10

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

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