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12^-4x=17^-x-3
We move all terms to the left:
12^-4x-(17^-x-3)=0
We add all the numbers together, and all the variables
-4x-(17^-x-3)=0
We get rid of parentheses
-4x+x+3-17^=0
We add all the numbers together, and all the variables
-3x=0
x=0/-3
x=0
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