MatemáticasBásico1 respuestas

Escribir la propiedad :(x + 11) + ( - 11) = 20 + ( - 11)x + (11 + ( - 11)) = 9x + 0 = 92(5x + 2) + ( - 2) = 62 + ( - 2)5x + (2 + ( - 2)) = 605x + 0 = 605x = 60(1sobre5 y 5) x = 60 sobre 51x = 1234x - ?

Escribir la propiedad : (x + 11) + ( - 11) = 20 + ( - 11) x + (11 + ( - 11)) = 9 x + 0 = 9 2 (5x + 2) + ( - 2) = 62 + ( - 2) 5x + (2 + ( - 2)) = 60 5x + 0 = 60 5x = 60 (1sobre5 y 5) x = 60 sobre 5 1x = 12 3 4x - 5 = 25 4x + ( - 5) = - 25 (4x + ( - 5)) + 5 = - 25 + 5 4x + (( - 5) + 5) = - 20 4x = - 20 4x = - 20 (1 sobre 4 al lado 4 )x = - 20 sobre 4 1x = - 5 x = - 5.

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