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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.

Mejor respuesta

6

3x - ( - 11 - 4) + 2x = (6 - 4x)

3x( - 15) + 2x = 6 - 4x - 45x + 2x = 6 - 4x - 43x = 6 - 4x - 6 = - 4x + 43x - 6 = 39x - 6 / 39 = x - 2 / 13 = x

4x - [ - 3 + (x + 5 - 2) + 6] = [ - (2x + 5 - 6)]

4x - [ - 3 + (x + 3) + 6] = [ - (2x - 1)]

4x - [ - 3 + x + 3 + 6] = [ - 2x + 1]

4x - [ + x + 6] = - 2x + 1

4x - x - 6 = - 2x + 1

3x - 6 = 2x + 1

3x - 2x = 1 - 6

x = - 5

7x - {6 - [3x + 7 - 2x) - 4]} = 14 - {5 - [6x + (x - 8)]}

7x - {6 - [x + 7 - 4]} = 14 - {5 - [6x + x - 8]}

7x - {6 - [x + 3]} = 14 - {5 - [7x - 8}

7x - {6 - x - 3} = 14 - {5 - 7x + 8}

7x - {3 - x} = 14 - {13 - 7x}

7x - 3 + x = 14 - 13 + 7x

8x - 3 = 1 + 7x

8x - 7x = 1 + 3

x = 4

(5x - 3) + (7x - 1 + x - (18 + x) = - [3 + (5 - x)]

5x - 3 + (8x - 1 - 18 - x) = - [3 + 5 - x]

5x - 3 + 8x - 1 - 18 - x = - 3 - 5 + x

12x - 22 = - 8 + x

12x - x = 22 - 8

11x = 14

x = 14 / 11.