A=1/2(6+3)3

Solution for A=1/2(6+3)3 equation:

a=1/2(6+3)3

We simplify the equation to the form, which is simple to understand 
a=1/2(6+3)3

Simplifying:
a=0.5*(6+3)*3

Simplifying terms in parentheses
a=0.5*(+9)*3

Reorder the terms in parentheses
a=+(+4.5)*3

Reorder the terms in parentheses
a=+(+13.5)

Remove unnecessary parentheses
+a=+13.5

We move all terms containing a to the left and all other terms to the right. 
+1a=+13.5

We simplify left and right side of the equation. 
+1a=+13.5

We divide both sides of the equation by 1 to get a. 
a=13.5