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02-06-2018
Mathematics

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Which ordered pair is a solution to the system of equations? {2x−y=−1
{2x−4y=8
A-(−2, −3)
B-(8, 2)
C-(1, 3)
D-(7, −5)

Respuesta :

03-06-2018

The answer is A. (-2,-3)
You can use your graphing calculator and go to Matrix and edit. Then plug in the values and next, go to rref and find the values.

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