Respuesta :

Answer:

The equivalent expression is [tex]3.4-2.8d+2.8d-1.3=2.1[/tex].

Step-by-step explanation:

Given : Expression [tex]3.4-2.8d+2.8d-1.3[/tex]

To find : Combine like terms to create an equivalent expression ?

Solution :

Expression [tex]3.4-2.8d+2.8d-1.3[/tex]

Combine like terms,

[tex]3.4-2.8d+2.8d-1.3=(3.4-1.3)+(-2.8d+2.8d)[/tex]

[tex]3.4-2.8d+2.8d-1.3=2.1+0[/tex]

[tex]3.4-2.8d+2.8d-1.3=2.1[/tex]

Therefore, the equivalent expression is [tex]3.4-2.8d+2.8d-1.3=2.1[/tex].