SOLUTION: hi I need some help please the problem states to solve 4 log( 2x + 1 ) = 12. I think I understand how it simplifies to 8 log (x) + 4 log (-12) = 0 , but I'm not sure if that is the
Algebra.Com
Question 1025478: hi I need some help please the problem states to solve 4 log( 2x + 1 ) = 12. I think I understand how it simplifies to 8 log (x) + 4 log (-12) = 0 , but I'm not sure if that is the correct answer or not. Thank you for your help.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
8 log (x) + 4 log (-12) = 0
----------
log(-12) is not allowed, no negative argument.
===========================
4 log( 2x + 1 ) = 12
Divide by 4
log(2x+1) = 3
log(2x+1) = log(10^3) = log(1000)
2x+1 = 1000
2x = 999
x = 999/2
RELATED QUESTIONS
Hi. I need some help with a math problem.
log[x] (x+4) + log[3] (x-2) = 3
I have no... (answered by richard1234)
Hi I need help with this question:
Evaluate log to the base 2,(2x+1) - log to the base (answered by lwsshak3)
Hi i need help with this problem please... (answered by MathLover1)
Hi! I need help in understanding this problem: Solve for x. Be sure to check your... (answered by josmiceli,Alan3354)
help solve log 8 + log 2 =? I need to know how to do this... (answered by Earlsdon)
write the expression as one logarithm. show work
8 log (x+3)-9log(x^2+4) +1/4 log y... (answered by josgarithmetic)
Hi. I need assistance with this LOG problem. I got this far: log((w+8)/(w-5)) Thank you!
(answered by josmiceli)
Hi all, I was hoping to get some help with the following log problem: I need to
evaluate (answered by stanbon)
I know the answer is no solution but i need to know how to work this problem please help
(answered by stanbon)