F(n)=15+2n/5

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Solution for F(n)=15+2n/5 equation:



(F)=15+2F/5
We move all terms to the left:
(F)-(15+2F/5)=0
We add all the numbers together, and all the variables
F-(2F/5+15)=0
We get rid of parentheses
F-2F/5-15=0
We multiply all the terms by the denominator
F*5-2F-15*5=0
We add all the numbers together, and all the variables
-2F+F*5-75=0
Wy multiply elements
-2F+5F-75=0
We add all the numbers together, and all the variables
3F-75=0
We move all terms containing F to the left, all other terms to the right
3F=75
F=75/3
F=25

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