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2(-x-2)=-4
We move all terms to the left:
2(-x-2)-(-4)=0
We add all the numbers together, and all the variables
2(-1x-2)-(-4)=0
We add all the numbers together, and all the variables
2(-1x-2)+4=0
We multiply parentheses
-2x-4+4=0
We add all the numbers together, and all the variables
-2x=0
x=0/-2
x=0
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