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Solve the equations for the solutions, x and y. 2x + y = 3 x - 2y = -1
Question
Asked 7/30/2011 7:30:24 PM
Updated 12/31/2014 9:01:44 PM
1 Answer/Comment
This conversation has been flagged as incorrect.
Flagged by SCM [12/31/2014 8:59:40 PM]
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User: Solve the equations for the solutions, x and y. 2x + y = 3 x - 2y = -1

Weegy: 5
xramen135@aol.com|Points 590|

User: Solve the equations for the solutions, x and y. 2x + y = 3 x - 2y = -1

Weegy: 5
xramen135@aol.com|Points 590|

Question
Asked 7/30/2011 7:30:24 PM
Updated 12/31/2014 9:01:44 PM
1 Answer/Comment
This conversation has been flagged as incorrect.
Flagged by SCM [12/31/2014 8:59:40 PM]
New answers
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3
2x + y = 3 ......1
x - 2y = -1.......2

x = -1 +2y .....from 1


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

5y = 3+2

y = 5/5 = 1

Substituting y with its value in 1 ,

2x+1 = 3

2x = 3-1

x = 2/2 = 1

x and y both equal 1 .


Added 12/31/2014 9:01:44 PM
This answer has been confirmed as correct and helpful.
Deleted by SCM [12/31/2014 9:02:13 PM], Undeleted by SCM [12/31/2014 9:04:21 PM], Confirmed by andrewpallarca [1/1/2015 2:18:14 PM], Rated good by andrewpallarca
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