mathdummie8080 mathdummie8080

02-02-2015
Mathematics

contestada

9^x=27^(x+2)
how do I do that? I don't get how to do it with different bases

Respuesta :

konrad509 konrad509

02-02-2015

[tex]9^x=27^{x+2}\\ 3^{2x}=3^{3(x+2)}\\ 2x=3(x+2)\\ 2x=3x+6\\ 3x-2x=-6\\ x=-6[/tex]

Answer Link

Otras preguntas

A bag contains 10 paise, 25 paise and 50 paise coins. The number of 25 paise coins is three times the number of 10 paise coins. If 50 paise coins are 5 more th

what is the equation for the problem In 2003, the price of a certain automobile was approximately $33,700 with a depreciation of $2,150 per year. After how many

In _____, the u.s. supreme court ruled that eugenic sterilization was constitutional.

What suppose to be capitalized in this sentence? The name comes from an Arabic word meaning "the red house"

Assume the process of obtaining a driver's license is considered too long because of too few people who can administer the final driving test. one way to resol

The iroquois women who chose the male members of the grand council were called

The second side of a triangular deck is 3 feet longer than the shortest side and a third side that is 3 feet shorter than twice the length of the shortest side.

How many positive 4-digit integers have only odd digits?

Suppose that the government has raised by $10 a per-carat tax rate it imposes on diamonds in an effort to influence production of this particular good by each

Two numbers have a sum of -9. One number is x. What expression represents the other number?