x + y = 4 2x + 3y = 0
Question
Updated 1/2/2015 2:48:43 PM
This conversation has been flagged as incorrect.
Flagged by andrewpallarca [1/2/2015 2:48:43 PM]
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Original conversation
User: x + y = 4 2x + 3y = 0

Weegy: [ ]
Heather71|Points 1705|

User: Solve the system of linear equations below. x + y = 4 2x + 3y = 0

Weegy: FOIL (First Outside Inside Last) = 2x(2x) + 2x(-3y) + (-3y)(2x) + (-3y)(-3y) = 4x^2 + (-6xy) + (-6xy) + (9y^2) = 4x^2 - 12xy + 9y^2
toxictoast96|Points 2307|

Question
Updated 1/2/2015 2:48:43 PM
This conversation has been flagged as incorrect.
Flagged by andrewpallarca [1/2/2015 2:48:43 PM]
Rating
8
The solution set for x + y = 4, 2x + 3y = 0 is (x = 12, y = -8).
(x + y = 4) * (-2);
-2x - 2y = -8;
(-2x - 2y = -8) + (2x + 3y = 0);
y = -8;
x - 8 = 4;
x = 4 + 8;
x = 12

Questions asked by the same visitor
Solve the system of linear equations below. x + y = 4 2x + 3y = 0
Question
Updated 12/16/2015 10:52:49 PM
x + y = 4
2x + 3y = 0
x = -y + 4
2(-y + 4) + 3y = 0
-2y + 8 + 3y = 0
y + 8 = 0
y = -8
x - 8 = 4
x = 4 + 8
x = 12
Solution set: (12, -8)
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