jmmmcgaha
jmmmcgaha
31-07-2016
Mathematics
contestada
5x -4/ 4x+7 = 13/11 solve x
Respuesta :
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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