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Solve the following logarithmic equation:
log₁₀(5x )= 2
a. x = 25
b. x =2
c. x = 1/2
d. x =20

Sagot :

Answer:

(d) x = 20

Step-by-step explanation:

Using the property of logarithms

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

given

[tex]log_{10}[/tex] (5x) = 2 , then

5x = 10² = 100 ( divide both sides by 5 )

x = 20

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