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(8x-9)-12x+5=-4x-4
We move all terms to the left:
(8x-9)-12x+5-(-4x-4)=0
We add all the numbers together, and all the variables
-12x+(8x-9)-(-4x-4)+5=0
We get rid of parentheses
-12x+8x+4x-9+4+5=0
We add all the numbers together, and all the variables
=0
x=0/1
x=0
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