43791bobo 43791bobo
  • 14-10-2015
  • Mathematics
contestada

{x-3y=24}
{3x+Y=12}
Solve each of the following linear systems by eliminating

Respuesta :

jasneet jasneet
  • 14-10-2015
3x + y = 12 (multiply whole equation by 3)
x - 3y = 24

9x + 3y = 36
x - 3y = 24
10x = 60
x = 60 / 10
x = 6
puting the x value in 1st equation
3 (6) + y = 12
18 + y = 12
y = 12 - 18
y = -6

Answer x = 6
              y = -6
Answer Link

Otras preguntas

Explain why surface area-to-volume ratios are important in affecting a biological system’s ability to obtain necessary resources or eliminate waste products.
which of the following is not a step in analyzing lyric poetry?
How do you spell "ski" in Spanish?
Please do 4-6 thank you
n-10+9n-3 combine the like terms
what greenhouse gas has the largest effect on global warming
Which best describes the question "Why do most people think mutations are dangerous?" a scientific question, because it asks about mutations that happen in na
What are the primary statistics used to study population change, and what is the purpose of each?
in which cases does the supreme court have original jurisdiction
Write an Original Poem Write a poem that contains the following elements: One of the forms studied (sonnet, free verse, lyric, narrative) At least one of these