Respuesta :

Answer: 16z

Step-by-step explanation: So ,  Let's simplify step-by-step.

4a+12a

Combine Like Terms:

=4a+12a

=(4a+12a)

=16a

Answer:

=16a

Hope this helps :)) _Have a great day!

i believe a(4+12) is an equivalent expression for 4a+12a

all I did was simplify the equation to make it shorter. you'll still receive the same answer for both.