If two times a number is decreased by 6 the principal square root of this difference is 7less than the number. What is the number

where are the images of the functions i can only see the question you typed.

step-by-step explanation:

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads