SOLUTION: Solve loga (7x +1) = loga (4x +16) a. 4 b. 5 c. 6 d. 8

Algebra ->  Rational-functions -> SOLUTION: Solve loga (7x +1) = loga (4x +16) a. 4 b. 5 c. 6 d. 8      Log On


   

Question 107479: Solve loga (7x +1) = loga (4x +16)
a. 4
b. 5
c. 6
d. 8
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
If loga(7x+1)=loga(4x+16),
then (7x+1)=(4x+16)
%287x%2B1%29=%284x%2B16%29
3x=15
x=5
Check your answer.
loga(7x+1)=loga(4x+16)
loga(7(5)+1)=loga(4(5)+16)
loga(36)=loga(36)
True statement. Good answer.
b.) 5