En resumen

2x + 1 / 4 = 1 / 2x + 1 2x - 1 / 2x = 1 - 1 / 4 (4x - 1x) / 2 = (4 - 1) / 4 3x / 2 = 3 / 4 3x = 3 / 4×2 3x = 6 / 4 x = (6 / 4)÷3 x = 6 / 12 = 1 / 2.

Mejor respuesta

Nataliacastello
3

2x + 1 / 4 = 1 / 2x + 1

2x - 1 / 2x = 1 - 1 / 4

(4x - 1x) / 2 = (4 - 1) / 4

3x / 2 = 3 / 4

3x = 3 / 4×2

3x = 6 / 4

x = (6 / 4)÷3

x = 6 / 12 = 1 / 2.