En resumen

1. - 2x / 3 + 1 / 2 = 5 / 62x / 3 = 5 / 6 - 1 / 22x / 3 = 2 / 612x = 6x = 6 / 12 = 1 / 2 2. - 2x - 3 / 5 = 7 / 102x = 7 / 10 + 3 / 52x = 13 / 1020x = 13x = 13 / 20 3. - 3x / 4 - 2 / 3 = 7 / 123x / 4 = 7 / 12 + 2 / 33x / 4 = 15 / 1236x = 60x = 60 / 36 = 30 / 18 = 15 / 9 = 5 / 3.

Mejor respuesta

Emiliogiovanni
1

1. - 2x / 3 + 1 / 2 = 5 / 62x / 3 = 5 / 6 - 1 / 22x / 3 = 2 / 612x = 6x = 6 / 12 = 1 / 2

2.

- 2x - 3 / 5 = 7 / 102x = 7 / 10 + 3 / 52x = 13 / 1020x = 13x = 13 / 20

3.

- 3x / 4 - 2 / 3 = 7 / 123x / 4 = 7 / 12 + 2 / 33x / 4 = 15 / 1236x = 60x = 60 / 36 = 30 / 18 = 15 / 9 = 5 / 3.