Respuesta :

Answer:

a=2

Step-by-step explanation:

56a+16=128

56a=112

a=2

Answer:

Step-by-step explanation:

8(7a+2)=128

8 times 7a=56a

8 times 2=16

56a+16=128

-16 -16

56a=112

Divide both side by 56

A=2