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Solve the system using elimination x + 2y = 1 4x + y = 11
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Apr 27, 2017
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Solve the system using elimination
x + 2y = 1
4x + y = 11
Mathematics
high-school
Edwinner
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Edwinner
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1
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x + 2y = 1 ______×1
4x + y = 11 _____ ×2
x + 2y = 1
8x + 2y = 22
8x + 2y = 22
(-)
x + 2y = 1
_____________
7x = 21
x = 3
3 + 2y = 1
2y = 2
y = 1
i am a mathematics teacher. if anything to ask please pm me
Julito Sanchis
answered
May 4, 2017
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Julito Sanchis
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