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 are some internal and external factors that might contribute to a positive outlook about aging?
where is number 2 and number 3
HELP ME!!! It takes Julie 75 minutes to read 60 pages. a) How many pages can Julie read per minute. Leave the answer as a fraction. b) Julie's book 350 page
its actually appendicular skeleton
What were the clinton administration's major international initiatives and interventions in the aftermath of the cold war?
Help 15 pts just for you!!!: A function f(x) is graphed on the coordinate plane. What is the equation of this line?
Find a formula for the function f(x) such that f′(x)=(ln(x))^2/x and f(2)=6
the formula d= rt gives the distance traveled in time t at rate r. if a bicyclist rides for 2.3 hours and travels 41 miles, what was her average speed?
How do u do this? HELPPPPPPPPPPPPPP
In this figure, AB¯¯¯¯¯∥CD¯¯¯¯¯ and m∠3=120°. What is m∠6?