janaewillis78 janaewillis78
  • 17-03-2020
  • Mathematics
contestada

Select all the statements that correctly describe the solutions to this system of equations?
2x-y= 0
x+y=9

Respuesta :

hanifchoirunnisa
hanifchoirunnisa hanifchoirunnisa
  • 17-03-2020

x + y = 9

x = 9 - y

2x - y = 0

2(9 - y) - y = 0

18 - 2y - y = 0

-3y = -18

y = 6

x = 9 - y

x = 9 - 6

x = 3

Answer Link

Otras preguntas

Find the least common multiple of 8b^2 and 5n^3
A group of scientists is studying the internal parts of a cell. Which microscope is most appropriate for these scientists to use? simple compound light electron
what is 2x4 im stuck please help
Please help me out with this
——- is the powerful tool that you can use during drafting to help develop your characters .
Which was the most important assistance given to immigrants by people from their home country? a. money to get settled b. help in adapting c. family ties d. job
In which of the following sets do all species have the same number of protons Sr+2, Ba2+, Ra2+
What is the ordered pair of f(x)+-x^2+5
A flower bed is in the shape of a triangle, with a base of 13 feet and a height of 5 feet. What is the area of the flower bed? 18 square feet 32.5 square feet
which best matches a list that a scientist would make to describe a forest system