samhellstrom samhellstrom

24-02-2021
Mathematics

contestada

log(x-7)=2 can anyone solve this??

Respuesta :

jimrgrant1 jimrgrant1

24-02-2021

Answer:

x = 107

Step-by-step explanation:

Using the rule of logarithms

[tex]log_{b}[/tex] x = n ⇒ x = [tex]b^{n}[/tex]

Given

[tex]log_{10}[/tex] (x - 7) = 2 , then

x - 7 = 10² = 100 ( add 7 to both sides )

x = 107

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