blessingnaomi08 blessingnaomi08
  • 23-08-2020
  • Mathematics
contestada

what is the answer for log5(x-7)=1​

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victorbanjo1212 victorbanjo1212
  • 23-08-2020

Answer:

My answer is 8.428571429 ~ 8.43.

Step-by-step explanation:

First you can find log 5 which is 0.698970004 ~0.7. then you can use it to multiply the numbers in the bracket which will be 0.7x(x-7)=1...which will be 0.7x-4.9=1...then you will collect like terms which will be 0.7x=1+4.9 then it will be 5.9÷0.7 which will be equal to my answer above..Thank you for the question

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tfereshteht
tfereshteht tfereshteht
  • 23-08-2020

Answer:

[tex]log5(x - 7) = 1 \\ x - 7 = {5}^{1 } \\ x - 7 = 5 \\ x = 5 + 7 \\ x = 12 \\ [/tex]

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