F(x)=2x+3.X=4

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Solution for F(x)=2x+3.X=4 equation: 



(F)=2F+3.F=4

We move all terms to the left:

(F)-(2F+3.F)=0

We add all the numbers together, and all the variables

F-(+5F)=0

We get rid of parentheses

F-5F=0

We add all the numbers together, and all the variables

-4F=0

F=0/-4

F=0

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