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Mathematics 7 Online
OpenStudy (cenaida):

If x = y − 2, simplify the expression x + 6. A. x + 4 B. x − 8 C. y + 4 D. y − 8

OpenStudy (texaschic101):

x = y - 2....so sub y - 2 in for x in the other equation x + 6 y - 2 + 6 -- now just combine like terms y + 4 understand ?

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