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TiliK225 [7]
2 years ago
11

_30. Solve the following logarithmic equation: log8(x + 9) + 3 = 3

Mathematics
1 answer:
Bezzdna [24]2 years ago
7 0

Answer:

A

Step-by-step explanation:

using the rule of logarithms

log_{b} x = n ⇒ x = b^{n}

log_{8} (x + 9) + 3 = 3 ( subtract 3 from both sides )

log_{8} (x + 9) = 0 , then

x + 9 = 8^{0} = 1 ( subtract 9 from both sides )

x = - 8

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