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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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Answer:

diagram a has a slope of 4

diagram b has a slope of 1/4

diagram c has a slope of -1/4

Step-by-step explanation:

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