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

Can someone give me the answer to this and explain it please for 100 points!
Mr. Keating in the "The Dead Poet Society" movie tells his students that his goal for them is not to become artists but free-thinkers. Answer the following ques
(5x-1) -(2-8x) for x = 0.75
−−→AB=(xy) What values should x an y take?
X-y=5 and x^2y=5x+6​
“How long can we ignore the obesity problem in this country? This problem is like a toothache, we can ignore it, but it is just going to get worse. I know that
The total number of degrees in the center is 360°. if all five vertex angles meeting at the center are congruent, what is the measure of a base angle of one of
Which part of an apple tree can make seeds?
Just a question about the problem, dont need the answer if you dont want to solve it, but would 15 be negative? Thats all, Thanks![tex]f(x)=x^{2} +15x+3[/tex]
At what speeds is it recommended to safely and legally use your high beam headlights?.