Respuesta :

Answer:

a = 3.6

Step-by-step explanation:

Remove parentheses

5.4 = a + 1.8

Move terms

-a + 5.4 = 1.8

- a = 1.8 - 54

Calculate the difference

-a = -3.6

Change the signs

a = 3.6

Answer:

a = 3.6

Hope this helped