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 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 is an example of dramatic irony
Liam buys a motorcycle for $2,900. Its value depreciates annually at a rate of 12%. At the end of t years, it has a value of less than $2,000. write a inequalit
What is the equation of the following graph?
What was the "invisible hand theory" proposed by afam smith a.the power to govern should be given to the ruler by the people...b.the gonvermment should be given
Lines C and D are represented by the equations given below: Line C: y = x + 6 Line D: y = 3x + 2 Which of these shows the solution to the system of equations
How much is f(10) if f=x^2-2
Geometry math question no Guessing and Please show work thank you
The three vertices of △ABC are in quadrant I. If △ABC is reflected in the x-axis, its image will lie in quadrant
To what family does the English language belong?
Find four geometric means between 25 and 800.