If x + 2 = y, then which of the following is true?
(1) X + 2 + z = y - z
(2) X-4 = y - 2
(3) X + 2 + z = y + z
(4) X + 2 = y + 2
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x + 2 = y, then which of the following is true?
(1) X + 2 + z = y - z
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