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3^-x+6=13^-6x
We move all terms to the left:
3^-x+6-(13^-6x)=0
We add all the numbers together, and all the variables
-1x-(13^-6x)=0
We get rid of parentheses
-1x+6x-13^=0
We add all the numbers together, and all the variables
5x=0
x=0/5
x=0
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