F(3)=-5/2x+4

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Solution for F(3)=-5/2x+4 equation: 



(3)=-5/2F+4

We move all terms to the left:

(3)-(-5/2F+4)=0



Domain of the equation: 2F+4)!=0

F∈R



We get rid of parentheses

5/2F-4+3=0

We multiply all the terms by the denominator


-4*2F+3*2F+5=0

Wy multiply elements

-8F+6F+5=0

We add all the numbers together, and all the variables

-2F+5=0

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

-2F=-5

F=-5/-2

F=2+1/2

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