9^-8x=7^-x-4

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Solution for 9^-8x=7^-x-4 equation: 



9^-8x=7^-x-4

We move all terms to the left:

9^-8x-(7^-x-4)=0

We add all the numbers together, and all the variables

-8x-(7^-x-4)=0

We get rid of parentheses

-8x+x+4-7^=0

We add all the numbers together, and all the variables

-7x=0

x=0/-7

x=0

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