F(-3)=1/x+2

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Solution for F(-3)=1/x+2 equation: 



(-3)=1/F+2

We move all terms to the left:

(-3)-(1/F+2)=0



Domain of the equation: F+2)!=0

F∈R



We add all the numbers together, and all the variables

-(1/F+2)-3=0

We get rid of parentheses

-1/F-2-3=0

We multiply all the terms by the denominator


-2*F-3*F-1=0

We add all the numbers together, and all the variables

-5F-1=0

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

-5F=1

F=1/-5

F=-1/5

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