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3 years ago

12

Log, 2 + log 7(x – 5) = 2

1 answer:

kipiarov [429]3 years ago

3 0

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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