Respuesta :
Hello there! :)
Answer:
[tex]\boxed{x=9}[/tex]
*The answer must have a POSITIVE sign!*
Step-by-step explanation:
First, you switch sides of an equation.
[tex]X+3=12[/tex]
Then, you subtract by 3 from both sides of an equation.
[tex]X+3-3=12-3[/tex]
You subtract by the numbers from left to right.
[tex]12-3=9[/tex]
Final answer is →→ [tex]\boxed{X=9}[/tex]
Hope this helps!
Thank you!
Have a nice day! :)
:D
-Charlie