7^-4y=9

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Solution for 7^-4y=9 equation: 



7^-4y=9

We move all terms to the left:

7^-4y-(9)=0

determiningTheFunctionDomain
-4y-9+7^=0

We add all the numbers together, and all the variables

-4y=0

y=0/-4

y=0

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