79.2k views
1 vote
Log 10(x + 3) – log 10(x-3) = 1

User Kevvv
by
6.5k points

1 Answer

6 votes

Answer:33/9

Explanation:

Log10(x+3)-Log10(x-3)=1

Log10((x+3)/(x-3))=1

(x+3)/(x-3)=10^1

(x+3)/(x-3)=10

Cross multiply

x+3=10(x-3)

Open brackets

x+3=10x-30

Collect like terms

10x-x=30+3

9x=33

Divide both sides by 9

9x/9=33/9

x=33/9

User Ulugbek Umirov
by
6.7k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.