Solve the system using elimination x + 2y = 1 4x + y = 11

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asked Apr 27, 2017 202k views

1 Answer

Julito Sanchis · Answer 1 · 2017-05-04T02:31:40+0000

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

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Solve the system using elimination x + 2y = 1 4x + y = 11

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