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Mathematics 9 Online
OpenStudy (mouth4war):

Which equation shows the substitution method being used to solve the system of linear equations? { x + y = 6 { x = y + 5 (y + 5) + y = 6 x + y = y + 5 x = (x - 6) + 5 x + (y + 5) = 6

OpenStudy (lannyxx):

Do you know how the substitution method works?

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