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

¿______ hermanos tienes? Cuántos Qué Cuándo Dónde
Which problem did Britain have after the French and Indian War? A. regaining land the French won during the war B. convincing colonists to go west to find far
Where did James McGough get these facts
write an absolute value inequality that has 3 and -6 as two of its solutions
3. (First picture answer options are the 4 graphs after it.)
An employee of a car wash earns $12 for each car she washes. She always saves $50 of her weekly earnings. This week, she wants to have at least $100 in spending
Explain how World War 1 led to the rise of modernism
Which statement is true about illness and disability in middle adulthood? A Unintentional injuries more than double from early to middle adulthood.B Men are mor
Can I simplify 5 5/9
The ratio of men to women working for a company is 2 to 3. If there are 42 women for the company what is the total number of employees