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35x + 35 = 30x + 20
35x - 30x = 20 - 35
5x = - 15
x = -15/5
x = - 3
Respuesta :
x = - 3
La opción correcta es la D)
7(5x + 5) = 5(6x + 4) =
35x + 35 = 30x + 20
35x - 30x = 20 - 35
5x = -15
x = - 15/5
x = - 3
Respuesta.
Opcion d