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Revisar si en la siguientes ecuaciones hay algún error de procedimiento. En su caso señalarlo y corregirlo

• 4x - 3 + 2x - x = 6x - 2 + 3x

x (4+2-1) - 3 = 3 (2x + x) -2

x (4 + 2 - 1) - 3 (2x + x) = - 2 + 3

x (5) - 3 (3x) = 1

x (5 - 9) = 1

x (- 4) = 1

x = 1 + 4

x = 5

• ¼ (x - 5 + 6x) = 1/6 (4x - 3)

(x - 5 + 6x) = 4/6 (4x - 3)

(7x - 5) = 2/3 (4x - 3)

(7x - 5) = x (8/3) - 2

7x - x (8/3) = 5 - 2

x (7 - 8/3) = 3

x = 3 entre 13/3

x = 6/13

• x (½) + x(4/3) - 1 = 6x – ½ + x (1/5)

x (½) + x (4/3) – x (1/5) – 6x = 1 – ½

x (½ + 4/3 – 1/5 - 6) = ½

x + 4/3 – 1/5 – 6 = 0

x – 67/15 = 0

x = 15/67

• 14x – x (1/3) + ½ - x/2 = 6x + 9x -3

x (14- 1/3 + ½ - ½) =x (6 + 9) -3

x (41/3) = 15x -3

x (41/3 - 15) = - 3

x (4/3) = - 3

x = - 3 (4/3)

x = - 4

• 1/3 (x + 1) = 2/3 (x - 1)

x + 1 = 2 (x - 1)

x + 1 = 2x – 2

3x – 2 = 1

3x = 3

x = 1

SIMBOLOGIA

DIVICION: entre

FRACCIONES: / ejemplo: 1/2

el valor es de 20 puntos

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