4. two numbers, x and y, have a sum of 17 but a difference of 11. write a
system of equations that can be used to solve this and then use it to find
the solution.
5.the system of equations
5x + 2y = 8
-5x + 2y = -32
can be solved several ways.
student 1 wants to use addition. student 2 wants to use subtraction. who
is right? explain your answer.
i’m very stuck on it