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

As a result of the peloponnesian war Sparta was

Why does the Fifth Amendment matter today? It prevents people accused of crimes from being sent far away to plead their case alone in front of a single judge. T

Which of these aspects was common to the First and Second Industrial Revolutions? a. use of the assembly line b. use of electricity c. use of water power d.

Olympic athletes have lower resting heart rates because

PLEASE HELP ME Who smuggled textile secrets from British factories into America? Eli Whitney Samuel Slater Francis Cabot Lowell Henry Ford

In Triangle ABC, if ,AE ,BF and CD are the medians and AE and BF intersect at the point (2, 3), at what point does CD intersect AE ?

PLEASE HELP ME Who smuggled textile secrets from British factories into America? Eli Whitney Samuel Slater Francis Cabot Lowell Henry Ford

DNA is made up of nucleotide bases bonded to a _____. sugar phosphate backbone acid and bases RNA diotide bases

What did the Puritans of Massachusetts hope to create?

A coin is biased such that it results in 2 heads in every 3 coin flips, on average. The sequence is most probable for the biased coin.