Solve the equation -6 + 4a = 18 for a.

OA) 4

OB) 5

OC) 6

OD 9​

Step-by-step explanation:

-6 + 4a = 18

4a= 24

a=6

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