Question

You may need to bust some of the equations before you solve 1/3 (6a-9)=27

Answer 1

a = 15

Explanation:

1/3 (6a - 9) = 27

multiply through by 3

1/3 x 3(6a - 9) = 27 x 3

(6a - 9) = 81

Group like terms

6a = 81 + 9

6a = 90

Divide both side by 6

6a/6 = 90/6

a = 15