AlexisT24 AlexisT24

09-03-2017
Mathematics

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Solve 2r ≤ 3(2r - 7)

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mathssydney mathssydney

09-03-2017

2r ≤ 3(2r - 7)
2r ≤ 6r - 21
21 ≤ 6r - 2r
21 ≤ 4r
21/4 ≤ r
r[tex] \geq [/tex] 21/4
r [tex] \geq [/tex] 5.25

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