F(-4)=3^x-5

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Solution for F(-4)=3^x-5 equation: 



(-4)=3^F-5

We move all terms to the left:

(-4)-(3^F-5)=0

We add all the numbers together, and all the variables

-(3^F-5)-4=0

We get rid of parentheses

-3^F+5-4=0

We add all the numbers together, and all the variables

-3^F+1=0

We move all terms containing F to the left, all other terms to the right

-3^F=-1

F=-1/1

F=-1

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