F(-4)=2x+5

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



(-4)=2F+5

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(2F+5)-4=0

We get rid of parentheses

-2F-5-4=0

We add all the numbers together, and all the variables

-2F-9=0

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

-2F=9

F=9/-2

F=-4+1/2

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