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OpenStudy (anonymous):
What is the value of the x variable in the solution to the following system of equations? 4x + 2y = 6 x – y = 3
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OpenStudy (anonymous):
x=2 y=-1
OpenStudy (nurali):
4x + 2y = 6 x – y = 3-----(1) multiply '1' by 2 and then add. 4x + 2y = 6 2(x – y = 3) 4x + 2y = 6 2x – 2y = 6 ------------------ 6x = 12 x = 2 put 'x' in equation '1' 2-y=3 y=-1
OpenStudy (anonymous):
use matrices?
OpenStudy (anonymous):
|dw:1371303475129:dw|
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