Question

1. solve the equation for the value of a. 4a + 5 = 4a + 5

Explanation:

Step1: Subtract 4a from both sides

$4a + 5-4a=4a + 5-4a$
$5 = 5$
This equation is an identity. It means that the equation is true for all real - values of a.

Answer:

a can be any real number.