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

Which repeating decimal is equivalent to – 6 11 ?

Constructivism relates most closely to which core principle of international relations?

Which of the following was NOT a disease that was brought to the Americas by Europeans? measles influenza smallpox diabetes

Nick is looking at the beautiful cake his girlfriend made for his birthday. after the visual information enters his eyes the optic nerves send it to his brain.

Haley plans to take a couple tablets of ecstasy during a dance party that may last the entire night. one of the immediate dangers of using the drug at this even

The __________ outlines researcher responsibilities to respondents, including confidentiality, privacy, and avoidance of harassment.

who launched the meiji restoration

How does the metaphor in this passage most clearly support the authors purpose

How does the Lizabeth interact with her younger brother, Joey, in "Marigolds"? Lizabeth thinks Joey acts like a baby and he embarrasses her. Lizabeth treats J

Dickens is known to use caricature in his stories to criticize social problems and the evils of society. Note the words he uses to describe the characters in th