12^-7x=5^-x+4

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Solution for 12^-7x=5^-x+4 equation: 



12^-7x=5^-x+4

We move all terms to the left:

12^-7x-(5^-x+4)=0

We add all the numbers together, and all the variables

-7x-(5^-x+4)=0

We get rid of parentheses

-7x+x-4-5^=0

We add all the numbers together, and all the variables

-6x=0

x=0/-6

x=0

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