jmmmcgaha jmmmcgaha

31-07-2016
Mathematics

contestada

5x -4/ 4x+7 = 13/11 solve x

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Kunchan Kunchan

06-08-2016

(5x -4) / (4x+7) = 13/11
11 (5x - 4) = 13 (4x + 7)
55x - 44 = 52x + 91
3x = 91 + 44
3x = 135
x = 45

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