En resumen

= > 6x + x = 2(4x - 2) = >7x = 8x - 4 = >x = 4.

Mejor respuesta

JornoTheFake
1

= > 6x + x = 2(4x - 2) = >7x = 8x - 4 = >x = 4.

Otras 1 respuestas

Respuesta 2

Solucion

<img src="https://tex.z-dn.net/?f=3x%20%2B%20%5Cfrac%7Bx%7D%7B2%7D%3D4x%20-2%0A%20" />

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

6x + x = 8x - 4

6x + x - 8x = - 4 - x = - 4

x = 4

comprobamos

<img src="https://tex.z-dn.net/?f=3%284%29%2B%20%5Cfrac%7B4%7D%7B2%7D%20%3D4%284%29%20-2%0A" />

<img src="https://tex.z-dn.net/?f=12%2B%20%5Cfrac%7B4%7D%7B2%7D%20%3D%2016%20-2%20%0A" />

<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B28%7D%7B2%7D%3D%2014%0A%20" /> simplificamos

14 = 14

espero que te sirva.