# Thread: Find the value of X

1. ## Find the value of X

Im new and i hope you guys can help me with this showing me solution and steps by steps. as im a newbie .. Thanks!
log4x-log4(2x-7)= -2

2. ## Re: Find the value of X

Originally Posted by Sleepy92
Im new and i hope you guys can help me with this showing me solution and steps by steps. as im a newbie .. Thanks!
log4x-log4(2x-7)= -2
Is the question $\log_4(x)-\log_4(2x-7)= -2~?$

3. ## Re: Find the value of X

Yes thanks for doing it for me .. i dont know how to do it like you

4. ## Re: Find the value of X

Originally Posted by Sleepy92
Yes thanks for doing it for me .. i dont know how to do it like you
Use LaTeX coding [TEX]\log_4(x)-\log_4(2x-7)= -2~?[/TEX] gives $\log_4(x)-\log_4(2x-7)= -2~?$.

Note $\log_4(x)-\log_4(2x-7)=\log_4\left(\frac{x}{2x-7}\right)$

Recall $\log_b(a)=c$ means $a=b^c~.$