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OpenStudy (anonymous):
Which equation shows the substitution method being used to solve the system of linear equations? x – y = 7 x = y + 3 A. x – (y + 3) = 7 B. (y + 3) – y = 7 C. x = (7 – x) + 3 D. x – y = y + 3
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OpenStudy (mathstudent55):
The second original equation is x = y + 3 Look in the choices for the first original equation with x replaced by y + 3.
OpenStudy (anonymous):
C? @mathstudent55
OpenStudy (anonymous):
@mathstudent55
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