Respuesta :
Answer:
Expression equivalent to
[tex]-x+(-3x)+12-9[/tex]
An equivalent expression is [tex]-4x+3[/tex]
Step-by-step explanation:
We have the expression:
[tex]-x+(-3x)+12-9[/tex]
We need to simplify this expression:
[tex]-x+(-3x)+12-9\\-x-3x+12-9\\-4x+3[/tex]
An equivalent expression is [tex]-4x+3[/tex]