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13-11-2015
Mathematics

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

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13-11-2015

The answer is C: (y+3)-y=7

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