Question 7
LogarithmsIf log10(6x − 4) − log102 = 1, solve for x.
- A.2
- B.3
- C.4
- D.5
Show the answer and explanation
Answer: C (4)
Explanation
log10((6x − 4)/2) = 1, so (6x − 4)/2 = 10, 6x = 24 and x = 4.
If log10(6x − 4) − log102 = 1, solve for x.
Answer: C (4)
log10((6x − 4)/2) = 1, so (6x − 4)/2 = 10, 6x = 24 and x = 4.