F(x)=28-2.5x

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Solution for F(x)=28-2.5x equation:



(F)=28-2.5F
We move all terms to the left:
(F)-(28-2.5F)=0
We add all the numbers together, and all the variables
F-(-2.5F+28)=0
We get rid of parentheses
F+2.5F-28=0
We add all the numbers together, and all the variables
3.5F-28=0
We move all terms containing F to the left, all other terms to the right
3.5F=28
F=28/3.5
F=8

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