A)_3x - ( - 11 - 4) + 2x = (6 - 4x)b)_4x - [ - 3 + (x + 5 - 2) + 6] = [ - (2x + 5 - 6)]c)_7x - {6 - [3x + 7 - 2x) - 4]} = 14 - {5 - [6x + (x - 8)]}d)_(5x - 3) + (7x - 1 + x) - (18 + x) = - [3 + (5 - x?
A)_3x - ( - 11 - 4) + 2x = (6 - 4x) b)_4x - [ - 3 + (x + 5 - 2) + 6] = [ - (2x + 5 - 6)] c)_7x - {6 - [3x + 7 - 2x) - 4]} = 14 - {5 - [6x + (x - 8)]} d)_(5x - 3) + (7x - 1 + x) - (18 + x) = - [3 + (5 - x)] PD : con verificación porfavor.