taylorlinklater
taylorlinklater taylorlinklater
  • 01-11-2017
  • Mathematics
contestada

Help!! Need this question done in 20mins. I don't have a graphing calculator to give me the window screen!

Help Need this question done in 20mins I dont have a graphing calculator to give me the window screen class=

Respuesta :

choixongdong
choixongdong choixongdong
  • 01-11-2017
2x - y = 1
2x + y = 7
-------------------add
4x = 8
x = 2

2x - y = 1
2(2) - y = 1
-y = -3
y = 3

answer (1,3)


Answer Link

Otras preguntas

x squared over 16 -1/1 divided by x/8 - 1/2 =
what is 1km=0.6mi 5km=?
(-3,-3) ; parallel to -x+3y=9
Why do leaves droop or curl when touched to prevent plant infection?
is three pounds bigger than 50 ounces
Which is the balanced chemical equation representing the synthesis of hydrogen gas and oxygen gas? h2 o2 h2o a. h2 o2 h2o b. h2 o2 2h2o c. 2h2 o2 2h2o d. 2h
what effect did globalization have on the united states in the late 1800s and early 1900s?a: immigration decreasedb: inflation increasedc: colonization decrease
what is involved in the synthesis of a new molecule?
Which of these is the human body's first line of defense against invading pathogens such as bacteria and viruses? A) body temperature B) macrophages C) skin c
why is the battle of little bighorn also called custer's last stand