Solve the systems of equations ;

Question

20 + 5 = 25
10 + 20 = 30

Answer 1

The solution is:
20 + 5 = 25 (true)
10 + 20 = 30 (true)

Answer 2

In a "system of equations" one would expect to see variables.
All I see are two statements that happen to be true.
So what's the point here ?