What is the solution to this system of equations?

y=2 and x=5

Step-by-step explanation:

first you substitute x=y+3

        [y+3+y=7]

Then Isolate y for y+3+y=7 ; y=2

        for x=y+3 substitute y=2

        x=3+2

        3+2=5

        x=5

y=2 and x=5

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

step-by-step explanation:

i found the koficent of the linear function and i foun c acordind to the strict formula y=kx+c and then i took 2 as an x and replacet it on the formula i found and then foun the y