Answer:
a = 24
Explanation:
first distribute the 3 to the 1/3a and the 3 in the parentheses.
3 times 1/3 a equals a because 1/3 times 3 equals 3/3 or 1. so 1a equals a.
so now the equation reads (a + 3) =27
now subtract 3 from both sides of the equation and you are left with a = 24