How do you solve this? With steps please!!

Question

The sum of two integers is 66. Fine the two integers if the larger is 6 less than three times the smaller.

Answer 1

smaller no. = n

larger no. = 3n -6

n+3n-6 = 66

4n = 72

n = 18

smaller no. = n =18

larger no. = 3n -6=3(18)-6=54 -6 = 48