Answer:
The value of a is -1.
Step-by-step explanation:
First, you have to add 3 to both sides :
[tex]2a - 3 + 3 = - 5 + 3[/tex]
[tex]2a = - 2[/tex]
Next, you have to divide both sides by 2 :
[tex]2a \div 2 = - 2 \div 2[/tex]
[tex]a = - 1[/tex]
-1