halliegurschke halliegurschke

20-03-2020
Mathematics

contestada

log, 2 + log 7(x – 5) = 2

Respuesta :

amna04352 amna04352

23-03-2020

Answer:

85/7

Step-by-step explanation:

log2 + log7(x-5) = 2

log(14(x-5)) = 2

14x - 70 = 10²

14x = 170

x = 170/14

x = 85/7 or 12 1/7

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