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 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

How did the depression affect women and children?
Why did president Washington want the United States to remain neutral
Which of the following is formed at a collision zone?Continental rift valleyVolcanic island chainMountain rangeDeep-ocean trench
Luke made a model that has 1 circular base and 1 curved surface.what solid figure did he make
How did the depression affect women and children?
Rico is making4 batches of mexican rice. each batch needs 2/3cup of corn. He only has a1/3-cup measure.How manytimes must Rico measure 1/3cup of corn to have en
The gases in the air attracted to earth by gravity form layers called the ____
Why were the 1920's considered the best and worst of times?
True or False along a divergent boundary, two plates slip past each other,moving in opposite directions.
How did Alexander the Great rise to power and how did he spread Greek culture to other lands?