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How do you solve $8^x – 2 = 3$ ?

1 Answer

Apr 21, 2016

$x=(ln5)/(ln8) ~~0.774$

Explanation:

$8^x=3+2$

$8^x=5$

$ln 8^x=ln5$

$x ln 8=ln5$

$x=(ln5)/(ln8) ~~0.774$

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