F(n)=15-8n

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Solution for F(n)=15-8n equation:



(F)=15-8F
We move all terms to the left:
(F)-(15-8F)=0
We add all the numbers together, and all the variables
F-(-8F+15)=0
We get rid of parentheses
F+8F-15=0
We add all the numbers together, and all the variables
9F-15=0
We move all terms containing F to the left, all other terms to the right
9F=15
F=15/9
F=1+2/3

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