Shoopy94 Shoopy94

19-07-2017
Mathematics

contestada

If 3✖️/4 =7 ➖x/3,then x=

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boldeagle boldeagle

19-07-2017

3x/4 = 7 - x/3 -> multiply both sides by 3

9x/4 = 21 - x -> multiply both sides by 4
9x = 84 - 4x
13x = 84
x = 84/13

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