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

What is 0.4% of 120?
This is homework. What is 1/2 + 4/6?
What is the mass of 2.5 kilogram mass in grams
What is 91 divided by 3
ASAP PLZ Choose the correct answer. Before 2017 what things could you buy in stores in Puerto Rico on Sundays? shoes movies tools paintings blankets can openers
What role does oxygen and carbon dioxide play in the circulatory system?
genetics yellow and blue make
The sum of two numbers is 27. One number is 3 more than the other. Write and solve a system of equations to find the two numbers
x^2 + x - 20 Please help me, for some reason I got stuck
An atlas is a. A collection of ideas c. A globe b. A collection of maps d. A single map of the world