Answer:
it is -21
Step-by-step explanation:
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1-When you have a the logarithm given in the problem above, you can solve it by using the correct properties for logaritms.
2- The students could solve it as below:
<span>log4(2x-12)=3
4^[</span> log4(2x-12)]=4^3
3- By definition a^log(x)=x, therefore,
2x-12=4^3
2x-12=64
4- Now, the students can solve for x:
x=38
The first step is incorrect, because the term on the right member must be 4^3.
Answer:
I’m backk
Step-by-step explanation:
Answer:
$ 40
Step-by-step explanation:
Below is an attachment containing the solution.
Divide both sides by -5:
s-30=2
add 30 to both sides
s=32
