Can someone please help?

x=11 and the measure for angle B is 80

Step-by-step explanation:

First you would set the equations equal to each other

8x-8 = 5x+25

-5x       -5x

Then i subtracted 5x from both sides

3x-8 = 25

  +8   +8

Then I added 8 to both sides

3x = 33

Divide both sides by three and you'll get x=11

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

linear pair postulates