medikal
medikal medikal
  • 14-05-2020
  • Mathematics
contestada


21. What is the value of x if 5:(3x+2) = 7:(5x-2).
A. 6
B. 5
C.7.​

Respuesta :

ronhagrid310
ronhagrid310 ronhagrid310
  • 14-05-2020

Answer:

5/(3x+2) = 7/(5x-2)

<=>5*(5x-2) = 7*(3x+2) (x is not equal to -3/2 or 2/5)

<=> 25x -10 = 21x +14   (x is not equal to -3/2 or 2/5)

<=> 4x = 24                   (x is not equal to -3/2 or 2/5)

<=> x = 6 (valid)

Answer Link

Otras preguntas

What Do Americans think about Brazil and Brazilians?
In your own words, describe how "Tintern Abbey" reflects the characteristics of romanticism.
Adaptations give organisms a better chance for
I NEED HELP ASAP!! Which of these is the BEST example of a thesis statement? A.I'd like to tell you about a story I really enjoyed. It is “The Cask of Amontil
• What is value chain analysis?
. If the centripetal and thus frictional force between the tires and the roadbed of a car moving in a circular path were reduced, what would happen?
Most herders in Central Asia today live as _______, moving their herds from mountain pastures in the summer to lowland pastures for the winter. a. PashtosB.
Most herders in Central Asia today live as _______, moving their herds from mountain pastures in the summer to lowland pastures for the winter. a. PashtosB.
Why applied tattoo can't donate blood?
What is propaganda? a. A logical, scientific argument answering a complicated question. b. A fact-based collection of information designed to explain events t