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=

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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)

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