F(15)=8x-9

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Solution for F(15)=8x-9 equation:



(15)=8F-9
We move all terms to the left:
(15)-(8F-9)=0
We get rid of parentheses
-8F+9+15=0
We add all the numbers together, and all the variables
-8F+24=0
We move all terms containing F to the left, all other terms to the right
-8F=-24
F=-24/-8
F=+3

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