8(2f-3)=4f

Can anybody give an explanation and answer ? Algebra 1 ?

One-third of the people from country a claim that they are from country b, and the rest admit they are from country a. one-fourth of the people from country claim that they are from country a, and the rest admit they are from country b. in a combined census of the two countries, one-half of the total claimed to be from a. what is the ratio of the populations of country a to that of country b.

Wrote and expression for the difference of p and 4

Find the values of the variables in the kite