To figure this out we need to plug in the numbers. If the end numbers on both sides equal each other it is the solution.
x = 8 & y = 5
5(8) - 4(5) = 20
40 - 20 = 20
20 = 20
3(5) = 2(8) + 1
15 = 16 + 1
15 = 17
As you can tell the first equation makes sense so that is the solution.
