Respuesta :

ariannarigh3tti
6x+9=3x+12
6x-3x=12-9
3x=3
X= 3
I hope this helps :)!
josshyaby

Answer:

Step-by-step explanation:

3(2x + 3) = 3x + 12

Opening the bracket

6x + 9 = 3x + 12

Collecting like terms

6x - 3x = 12 - 9

3x = 3

Dividing through by 3

x = 3/3

x = 1