dready04 dready04
  • 23-01-2017
  • Mathematics
contestada

Find the solution to the system of equations by substitution
{x+y=6
{2x-y= - 12

Respuesta :

tyleron
tyleron tyleron
  • 23-01-2017
X+Y=6. Y=6-X 2X-(6-X)=-12 2X-6+X=-12. 3X=-6. X=-2. Y=6-(-2). Y=8

SOLUTION: { (x,y) | (-2,8) }
Answer Link

Otras preguntas

is this carrect ? please let me know
What 2 things did george washington warn the nation of in his farewell address?
simplify (a³-2a²)-(3a²-4a³)
O2 and CO2 can cross a lipid bilayer using what transport method?
A milk container's capacity is one gallon. How many cups would be equal?
you are traveling in a car that is moving at a velocity of 20 m/s. suddenly a car 10 meters in front of you slams on its brakes. at the moment you also slam on
The sum of two numbers is 63 . The larger number is 7 more than the smaller number. What are the numbers?
_____ interviewing, you should establish a list of skills, qualifications, and experiences related to the job and company you are interviewing with. After Wh
For a presentation on how to a build a rocket, which type of media would not be appropriate? a finished rocket a poster board explaining the steps one by one a
The sum of two numbers is 51 and the difference is 21 . What are the numbers?