Register
Log 15 = log(7 - 4x)​
52.8k views
4 votes
Log 15 = log(7 - 4x)​

User Vidang
by
3.8k points

2 Answers

3 votes

Answer:

x = -2

Explanation:

  1. log (15) = log (7 - 4x), x < 7/4
  2. 15 = 7 - 4x
  3. 4x = 7 - 15
  4. 4x = -8
  5. x = -2
User Michael Johansen
by
3.6k points
4 votes

Answer:

x =-2

Explanation:

log 15 = log(7 - 4x)​

The terms inside the log functions must be the same

15 = 7 -4x

Subtract 7 from each side

15-7 = 7-4x-7

8 = -4x

Divide each side by -4

8/-4 =-4x/-4

-2 =x

User Sarvnashak
by
3.3k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.6m questions

4.6m answers

Other Questions

A study was completed in Florida. In southern Florida, the study involved 3,000 patients; 54% of them experienced flulike symptoms during the same month. The study had a margin of error of 1.8%. What does
Solve for x in the equation 3 x squared minus 18 x + 5 = 47. (I need this to be an answer like X=3+\_ square root 23)
Can someone help me plz I have to Turn 27/9 in simplest
The sanchez family goes out for dinner, and the price of the meals is $60. The sales tax on the Meals is 7 percent, and they also want to leave a 15 percent tip. What is the total cost of the meal? Analyze
Simplify: 10 ÷ [(5 + 2) − 5]
Link Copied!