4+2x=-(-2x-4)

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


4+2x=-(-2x-4)

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

Remove unnecessary parentheses
4+2x=+2x+4

We move all terms containing x to the left and all other terms to the right. 
+2x-2x=+4-4

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

0=0

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

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