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7x-4-0-




Question Number 5051 by nhoduy last updated on 05/Apr/16
7x−4=0
7x4=0
Commented by nguyentai last updated on 05/Apr/16
⇔x=1
x=1
Answered by FilupSmith last updated on 06/Apr/16
7x−4=0  7x=4  ∴ x = (4/7)
7x4=07x=4x=47

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