13^-x-8=7^-8x

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Solution for 13^-x-8=7^-8x equation: 



13^-x-8=7^-8x

We move all terms to the left:

13^-x-8-(7^-8x)=0

We add all the numbers together, and all the variables

-1x-(7^-8x)=0

We get rid of parentheses

-1x+8x-7^=0

We add all the numbers together, and all the variables

7x=0

x=0/7

x=0

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