Hi there!
Answer:
=2x
*The answer must have a positive sign.*
Step-by-step explanation:
Lesson: Using Properties to Simplify Expressions
First, you add/subtract by the numbers from left to right.
[tex]3x-x=2x[/tex]
Then you use group like terms to change sides.
[tex]2x+12-12[/tex]
Simplify and solve.
[tex]12-12=0[/tex]
Final answer is 2x
I hope this helps you!
Have a nice day! :)
-Charlie
