-7+9-2(7)-1=-13

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Solution for -7+9-2(7)-1=-13 equation:


-7+9-2(7)-1=-13

We simplify the equation to the form, which is simple to understand 
-7+9-2(7)-1=-13

Reorder the terms in parentheses
-7+9+(-14)-1=-13

Remove unnecessary parentheses
-7+9-14-1=-13

We move all terms containing  to the left and all other terms to the right. 
0=-13+7-9+14+1

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

0=0

This equation is an identity, so all real numbers are solutions.

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