-2(-11)+20=42

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Solution for -2(-11)+20=42 equation:


-2(-11)+20=42

We simplify the equation to the form, which is simple to understand 
-2(-11)+20=42

Reorder the terms in parentheses
+(+22)+20=42

Remove unnecessary parentheses
+22+20=+42

We move all terms containing  to the left and all other terms to the right. 
0=+42-22-20

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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