jenna610
jenna610 jenna610
  • 14-05-2020
  • Mathematics
contestada

Solve (1/81)^x = 243^x-9

Respuesta :

ruslik ruslik
  • 14-05-2020

Answer:

x=5

Step-by-step explanation:

(1/81)^x=(243)^x-9

(1/3^4)=3^5(x-9)

3^-4x=3^5(x-9)

-4x=5(x-9)

-4x=5x-45

-4x-5x=-45

-9x=-45

x=5

Answer Link

Otras preguntas

Help plz due today and don't worry abt my answers
Why does Jo think the eagle feather is special? A. it was something she could not find in the city. B. she thought it was a good luck charm. C. it reminded her
helphelphelphelphelp
paula is draining her fish tank. when she starts draining it, the height of the water is 33 cm. six mintues later, the height of the water is 15 cm.If the water
The measures 2 cm, 4 cm, 5 cm form a triangle. Is the triangle acute, obtuse or right?
HELP ME PLS WITH NUMBER 5,6,7, and 8 PLS HELP!!!
The sea surface temperatures range from -2°C to 31°C. Find the difference between the maximum.
Help plzzzzzz Which product of prime polynomials is equivalent to 36x^3-15x^2-6x?
Find (fog)(x) on each problem 1) F(x) =3x G(x)=x-2 2) F(x) = - 2x G(x) = x-5 3) F(x) = x+3 G(x) = 2x-5
There are 13 yellow cards, 6 blue, 10 red, and 8 green cards in a stack of cards faced down. Once a card is selected, it is not replaced. Find the probability o