-4=2(-2)

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Solution for -4=2(-2) equation:


-4=2(-2)

We simplify the equation to the form, which is simple to understand 
-4=2(-2)

Reorder the terms in parentheses
-4=+(-4)

Remove unnecessary parentheses
-4=-4

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

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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