Respuesta :

Answer:

The answer is a = 4.5

Step-by-step explanation:

To find this we start by dividing away the coefficient of a.

10a = 45 ----> Divide both by 10

a = 4.5

Answer:

a = 4 1/2

Step-by-step explanation:

10a = 45

Divide each side by 10

10a/10 = 45/10

a = 45/10

Divide the top and bottom by 5

a = 9/2

a = 4 1/2