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OpenStudy (bossimbacon):
Which equation shows the substitution method being used to solve the system of linear equations? x - y = 7 x = y + 3 A. x = (7 - x) + 3 B. x - (y + 3) = 7 C. (y + 3) - y = 7 D. x - y = y + 3
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OpenStudy (bossimbacon):
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