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12-8x=12-8x
We move all terms to the left:
12-8x-(12-8x)=0
We add all the numbers together, and all the variables
-8x-(-8x+12)+12=0
We get rid of parentheses
-8x+8x-12+12=0
We add all the numbers together, and all the variables
=0
x=0/1
x=0
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