riderightappraisals riderightappraisals 02-03-2021 Mathematics contestada 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