amykookie24
amykookie24 amykookie24
  • 02-02-2019
  • Mathematics
contestada

2x minus y equals 6, x plus y equals negative 3

Respuesta :

zanaplen27
zanaplen27 zanaplen27
  • 06-02-2019

Answer:

y=-4, x=1

Step-by-step explanation:

2x-y=6                  x+y=-3

2(-3-y)-y=6            x=-3-y

-6-2y-y=6              x=-3+4

-3y=12                    x=1

y=-4

Answer Link

Otras preguntas

the treaty of Versailles forced Germany to?
when he hears the songs douglass always feel
If you have 10.0 g of a substance that decays with a half-life of 14 days, then how much will you have after 42 days? a. 0.10 g b. 0.31 g c. 1.25 g d. 2.50 g
5x + 6y = -18 Write the intercep form of the equation of each line
What is the selling price of a $12,543 boat if a $758 discount is given
Which two properties are used to define matter? A.has mass and conducts heat B.has buoyancy and volume C.has mass and takes up space D.conducts energy and has c
Saturated fats found in animal products, such as bacon and cheese, are also called a. cholesterol. b. amino acids. c. triglycerides. d. lipids.
why did president Andrew Johnson veto the civil rights act of 1868? A. the civil rights act limited the jobs that African Americans could do B. the civil rights
Which of the following statements most accurately describes the culture of the African continent? A. Africa is not very diverse; most African people are the sam
Which of the following is a condition in which a person alternates between extreme happiness and extreme sadness?