mercedesleon02 mercedesleon02
  • 08-03-2019
  • Mathematics
contestada

how can you eliminate this equation

12x+6y=120
4x+y=30

Respuesta :

meredith48034
meredith48034 meredith48034
  • 08-03-2019
12x + 6y = 120
-24x -6y =-180

-12x = -60

x = 5

4(5) + y = 30
20 + y = 30
y = 10

(5, 10)
Answer Link

Otras preguntas

Match the types of organizations to their description A. World Health Organization B. Peace Corps C. United Nations D. American Red Cross 1.nongovernmental orga
What aspect of the United States Constitution is evidence that though the Framers wanted people to have a voice in government, they also feared giving too much
find the coordinates of the point where the graph of the following function intersects the x axis y=x^2-5x+6/x-2
Select the correct answer from each drop-down menu. The state courts are not authorized to hear trials involving A.cases against corporations B.cases against t
According to a PNC Financial Independence Survey released in March 2012, today’s adults in their 20’s “hold an average debt of about $45,000, which includes eve
Put these 5 events in the correct order. Formation of Atoms, Time begins, Formation of Galaxies Formation of subatomic particles, Formation of stars
Determine if the following figures are similar.
True or False: A debate is a discussion between two people who have opposing views.
Question 1 of 5 Jenn's carpool ride has been late 6 days out of the past 20 days. What is the estimated probability, based on relative frequency, that her ride
Which value for x makes the sentence true? 3/4x + 4 = 7