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

Emily has been considering the purchase of a used car that costs $11.656. How much money does she need to make in order to comfortably afford to buy the car?
Please HELP ME FIGURE THIS OUT ( ITS REALLY EASY IM JUST TIRED )
Find and fix the incorrect statement
can I have help with the problem in the picture pls​
According to Aristotle, how do we live a good life?.
Based on the oxidation states of the atoms in this reaction, answer the questions. 4Fe(0) 3O2(0) → 2Fe2(3 )O3(2-) How many electrons does the iron half-reaction
In which tectonic setting would you most expect to find igneous activity?
Translate the expression. pescado frito fresh chiken fried fish fried chiken fresh fish
I will mark brainiest if you can answer the question correctly!! :) 7. Write the equation of the quadratic given the following 3 points. (0, -1), (4,51), (-2,9
Alexandra tells Atticus he should get rid of Cal. How does Atticus respond? He agrees with her, but then doesn't dismiss Cal. He tells Alexandra she can do the