menakri53 menakri53
  • 11-04-2017
  • Mathematics
contestada

Solve the system of equations and choose the correct answer from the list of options. x − y = 7 y = 3x + 12

Respuesta :

jula1 jula1
  • 11-04-2017
x-y=7
y=3x+12|-3x

x-y=7
-3x+y=12
---------------------,-
-2x=19
x=-19/2
Answer Link

Otras preguntas

In the fictional Stolen Valor Act case of US v. Fields, the prosecution argued that Fields’s lie was?
a noun that ends in "ness" ? help! I need the answer quick!
How are oxygen and carbon cycle between plants and animals
looking at a certain amount a country's total value of goods and services produced is called
What is 12 divided by 2.59 and 6 divided 1.25?
Divide. Express your answer in simplest form. 1 and 7/11 divided by 2 and 1/2. Please help, was gone when class was learning this. I really need the RIGHT answe
According to ChooseMyPlate.gov, which food group should constitute the smallest portion of our diet?
What is the value of x, when 10(x + 2) = 5(x + 8)?
In 1520 Ferdinand Magellan led the first successful attempt to sail all the way around the world this voyage proved that ?
-8d - 2d + 47p + 3p -5is a pre algebra questions there are answer separate