redfoxthrtysix
redfoxthrtysix redfoxthrtysix
  • 04-08-2018
  • Mathematics
contestada

Solve for x. 5/2x+3=4/x

Respuesta :

gmany
gmany gmany
  • 06-08-2018

[tex]\text{The domain:}\\2x+3\neq0\ \vee\ x\neq0\\\\D:x\in\mathbb{R}-\{-1.5,\ 0\}[/tex]

[tex]\dfrac{5}{2x+3}=\dfrac{4}{x}\ \ \ |\text{cross multiply}\\\\5x=4(2x+3)\\\\5x=8x+12\ \ \ |-8x\\\\-3x=12\ \ \ \ |:(-3)\\\\x=-4\in D[/tex]

Answer: x = -4

Answer Link

Otras preguntas

________________ is a technique in which an image is transferred by forcing ink through fine mesh or silk. a. Lithography c. Typography b. Serigraphy d. Sans-se
How did the one-child policy result in large numbers of undocumented Chinese?
The capturing of data about a patient begins at what point?
As they multiply die and decompose algae deplete the oceans surface layers of oxygen. often the large amounts of farm fertilizer that run from fields into the r
what is the reason for the 1929 wall street stock crash
Read the excerpt from "Rhapsody on a Windy Night." I could see nothing behind that child's eye. I have seen eyes in the street Trying to peer through lighte
Startin even before 1914, what means could a European country use to build up a strong military?
Quincy insisted that each one of his team members demonstrate loyalty
Two students standing apart in a classroom have a gravitational force of attraction between them of 3.20 x 10-8 N. If one student has a mass of 50.0 kg and the
Why did some people oppose war?