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El valor de x es : 15
4 (3x) + 5 (-5) x 1
------------------ = ------- + --------
5 .2² 2 2²
4 . 3x - 5 . 5 2x + 1
---------------- = --------------
5 . 2² 2²
12x - 25 = 5 . 2x + 5
12x - 25 = 10x + 5
12x - 10x = 5 + 25
2x = 30
x = 30/2
x = 15
Respuesta :
x = 15