F(-3)=12/2x+1

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Solution for F(-3)=12/2x+1 equation: 



(-3)=12/2F+1

We move all terms to the left:

(-3)-(12/2F+1)=0



Domain of the equation: 2F+1)!=0

F∈R



We add all the numbers together, and all the variables

-(12/2F+1)-3=0

We get rid of parentheses

-12/2F-1-3=0

We multiply all the terms by the denominator


-1*2F-3*2F-12=0

Wy multiply elements

-2F-6F-12=0

We add all the numbers together, and all the variables

-8F-12=0

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

-8F=12

F=12/-8

F=-1+1/2

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