jenSamyeszoy
jenSamyeszoy jenSamyeszoy
  • 02-06-2016
  • Mathematics
contestada

2^1-x=3^2x-3 solve for X

Respuesta :

caylus
caylus caylus
  • 02-06-2016
Hello,

if the exact equation is

[tex]2^{1-x}=3^{2x-3} [/tex]

==>(1-x)ln 2=(2x-3) ln 3

==>2x ln 3+x ln 2=ln 2 +3 ln 3

==>x=ln (2*3^3) / ln (2*3²)

==> x= ln(54)/ ln (18)

==>x ≈1,3800937....


if the equation is 2^1 -x  =3^2 *x -3 then

2-x=9x-3
==>10x=5
==>x=1/2





Answer Link

Otras preguntas

Why was succession important in england in 1688?
the area of a rectangle garden is 60ft^2. the length is an irrational number. explain why or why not the width must be a fraction, whole number, irrational numb
Simplify the expression. 8 ( 5 + t ) - 6 ( t + 1)
What does Guenevere suggest Mary do about her predicament in King Arthur's Socks: A Comedy in One Act? a. Guenevere urges her to declare her love to Lancelot.
@SENPAITRILL Please help
Based on the details wright uses to describe his father and the woman he lives with, we can infer that richard----
You received a 75 gift card to your favorite store to buy new shirts. if shirts cost 13.99, how many you can buy??
Bonsoir, pouvez vous m'aidez a ces exercices svp, j'ai pas compris du tout ce chapitre et se serais vraiment cool si j'avais un petit coup de pouce de votre par
What was simon bolivar fighting for?
How much more does 1 1/4 pounds of beef cost than 1 1/4 pounds of turkey if Beef=$4.25 Turkey=$2.85