Respuesta :

Answer:

x = Ø

Step-by-step explanation:

7x - 12 - 3x = 2(2x + 5)

4x - 12 = 4x + 10

4x = 4x + 22

0x = 22

x = Ø

Hope this helps dude

Null x can’t be found making the equation undefined
Ver imagen neosei99