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

User Vidang
by
9.2k 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
8.2k 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
7.9k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories