Jasmine2091 Jasmine2091

02-06-2015
Mathematics

contestada

what is the solution to this system of linear equations:
y-x=4 and y+2x=1

Respuesta :

Panoyin Panoyin

04-06-2015

-x + y = 4
2x + y = 1
    -3x = 3
   -3    -3
   x = -1
   -x + y = 4
-(-1) + y = 4
   1 + y = 4
- 1   - 1
   y = 3
(x, y) = (-1, 3)

Answer Link

Otras preguntas

A relatively new approach to character education that helps students to develop moral concepts emphasizes ___.

In the middle of this decade, the United States imported about $800 billion more in goods and services than it exported, thereby resulting in a _________ value

Which statement most accurately describes a major criticism of the Electora College system ?

The recent trends in the prison population in the United States, and what these trends mean for our prison system and for our society "g"?

7=1/3(8x+3) Solve for x in simplest form

Why was marie antoinette the 1st person to be executed during the ""reign of terror""?

why can overproduction underproduction and production of proteins at incorrect times be a problem?

Saunjani states that only 7,500 women graduated with degrees in computer science last year yet women make up 85% of all consumer purchases and use social media

Josh has a rope that is 43 feet long. He cuts off a piece that is 10 feet long and gives it to his brother. He wants to cut the rest of the rope into pieces mea

All of the following are defined as "institutional buyers" under the Uniform Securities Act EXCEPT:________a. banksb. insurance companiesc. investment companies