Respuesta :

Answer:

Yep.

Step-by-step explanation:

Or you can say that x = 7.5

2x = 15

= 15/2

= 7.5

Hope this helped. :)

Answer:

yes my friend thats correct

Step-by-step explanation:

From the first example they mean that 2x will equal 15, but subbed from 5 thats 10, and THAT means that if you do 2x again but this time without the - 5, you would get 15