You can put this solution on YOUR website! 8(2f-3)=4(4f-8)
Divide both sides by 4 to get:
2(2f-3) = 4f-8
4f-12 = 4f-8
-12 = -8
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That is a contradiction.
The original equation is "inconsistent".
There is no solution.
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Cheers,
Stan H.