f(8)=4(8)-9

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Solution for f(8)=4(8)-9 equation: 



f(8)=4(8)-9

We move all terms to the left:

f(8)-(4(8)-9)=0

We add all the numbers together, and all the variables

f8-39=0

We add all the numbers together, and all the variables

f^8-39=0

We do not support efpression: f^8

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