4^-2x=4^-x

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Solution for 4^-2x=4^-x equation: 



4^-2x=4^-x

We move all terms to the left:

4^-2x-(4^-x)=0

We add all the numbers together, and all the variables

-2x-(4^-x)=0

We get rid of parentheses

-2x+x-4^=0

We add all the numbers together, and all the variables

-x=0

x=0/-1

x=0

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