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

Which physical feature has most limited the movement of people living in North America ?
Examples of cultural diffusion in ancient Rome pertaining to government
How far away is Canopus in kilometres?
I am two numbers, the sum of my numbers is 100, the difference between my two numbers is 30,
Which type of twins are likely to interact with each other in the womb a. Non-identical b. Identical c. neither
which number is 100 less than 61 tens?
Who did Odysseus leave behind when he left Troy for Ithaca, and how was it destructive?
Patrick ate 3/5 of a small pizza on Friday night. For lunch on Saturday , he ate 1/2 of the leftover pizza. How much pizza did he eat for lunch on Saturday?
find the area of a triangle given that c=40m b=20m a=48°
What's the answer to this problem?