victoria38baby victoria38baby

03-06-2018
Mathematics

contestada

the difference of a number and twice another number is 12. The sum of the two numbers is -27. What are the two numbers?

Respuesta :

altavistard altavistard

13-06-2018

Let the numbers be x and x. Then x-2y=12. Also, x+y= -27, so that x = -27 - y.

Subbing the 2nd equation into the first gives us -27 - y - 2y = 12, or

-39=3y, or y = -13 (answer). Now find x from x = -27 - y.

Answer Link

Otras preguntas

In what direction had Europeans traders normally gone to reach Asia

are u sure..............?????????????????????????

What is the relationship between natural rights and the role of government?

In Poe's "The Black Cat," the narrator's senseless violence supports the theme that all people have a wicked side. Which passage from the story best shows this?

Explain the characteristics of renaissance thought literature and art

the simple definition of a résumé is A detailed account of all of your activities. A vehicle for securing letters of recommendation. A personal "snapshot" of ho

Which one of the follow problems may result from a deficit democracy

what was the name of the famous Mongol ruler who finally defeated the Song Dynasty and saw the complete conquest for China

what is 16 divided by 7? and give me a real answer.

Q 3.6: calculate the number of po43- ions present in 23.7 g of ca3(po4)2.