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-x-3=-(x+3)
We move all terms to the left:
-x-3-(-(x+3))=0
We add all the numbers together, and all the variables
-1x-(-(x+3))-3=0
We calculate terms in parentheses: -(-(x+3)), so:We get rid of parentheses
-(x+3)
We get rid of parentheses
-x-3
We add all the numbers together, and all the variables
-1x-3
Back to the equation:
-(-1x-3)
-1x+1x+3-3=0
We add all the numbers together, and all the variables
=0
x=0/1
x=0
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