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

What does the tite "i stand here ironing" tell about the point if veiw of the story
Which was more important military or industrial mobilization? Give two reasons for your answer
Please explain ( don’t have to but it will be useful ) Question 5
_____ is when a business buys enterprises at each phase of production
What are the roots of the quadratic function f(q) = q^2 - 125
Example of like terms. Give an example and you do not have to work it out unless you want to. But you do not have to work it out.
Can I have some help please
what’s a haiku for the superbowl?
One week, Alaina ran 12 miles in 131.25 minutes the next week Alaina ran 12 miles in 119.9 minutes
Heidi must divide 870 bales of hay between three stables so that the second has 90 bales more than the first, but 150 less than the third