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

Atelectasis: instructions: definition, clinical manifestations, medication, evaluate the disease power point

when explaining dominant and recessive traits to a younger family member; they respond, “ well chances are I probably taste ptc, since dominant traits are more

What kind of angles are they!!!??? Hurry somebody PLEASE help me!!!!!its an emergency for school

Which of the following best describes the historical context of Alice Childress's play String? O A. Assassinations and civil unrest were common. O B. The Harlem

Write the equation of the parabola in vertex form (4,3),(3,-2)

Which organelle belongs in the center of the diagram that is comparing the plant cell and animal cell?

What does Fortunato do to Montresor to make him so full of revenge? Fortunato insulted Montresor. Fortunato stole money from Montresor. Fortunato turned

Subtract the function f(x) = 6x -- 5 from the function g(x) = -2% +9. Denote the difference by h(x).

Why do we have to go to space to see all of the electromagnetic spectrum?(Why do we put telescopes in orbit?)

How did the discovery of the natural resources affect the development if new mexico territory?