Mathematics, 03.03.2021 01:00 supergraciepie

Which of these systems of equations would be best solved using the subtraction method? I. 2x−7y+3y = 4 −6x−4y = −52
II. 2y = −5x+6x−5 y = 2x−6
III. −7x+3x+2y = 4 4x−6y = −52

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Which of these systems of equations would be best solved using the subtraction method? I. 2x−7y+3y...