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30-06-2021
Mathematics

contestada

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Solve the equation log, (3t+9) - log, 21 =1

Respuesta :

asuwafohjames asuwafohjames

05-07-2021

Answer:

67

Step-by-step explanation:

log(3t+9)-log21 = 1

Applying, the law of logarithm,

log(3t+9)/21 = 1

converting the log into index

(3t+9)/21 = 10

solving for t

3t+9 = 21×10

3t+9 = 210

3t = 210-9

3t = 201

t = 201/3

t = 67

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