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Solve:

Log5x=log(2x+9)

Sagot :

Imthird3id
Log5x=log(2x+9)
5x=2x+9
5x-2x=9
3x=9
X=3

Answer:

Using the  

law of logarithms

∣

∣

∣

∣

¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

a

a

log

x

=

log

y

⇒

x

=

y

a

a

∣

∣

−−−−−−−−−−−−−−−−−−−−−−−  

 

⇒

5

x

=

2

x

+

9

⇒

3

x

=

9

⇒

x

=

3

Step-by-step explanation:

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