Solve 7n + 12 = 4n + 27, n=?

Solve 7n + 12 = 4n + 27, n=?

Explanation

Solve 7n + 12 = 4n + 27

= 7n - 4n + 12 - 27

= 3n + 12 

= 3n - 15 

15 = 3n

15/ 3 = n 

n =  5