Solve the system of equations: y = 8 - 2x, 3y = x + 3.

Substitute the first equation into the second:

3(8 - 2x) = x + 3

24 - 6x = x + 3

21 = 7x

x = 3

Substitute x = 3 into the first equation:

y = 8 - 2(3)

y = 8 - 6

y = 2

The solution is (3, 2).