If find the value of (x + y).If find the value of (x + y).For what value of x and y are the following matrices equal?

If find the value of (x + y).
If find the value of (x + y).
For what value of x and y are the following matrices equal?

Mixed-up sentence exercise

Put the parts in order to form a sentence. When you think your answer is correct, click on "Check" to check your answer. If you get stuck, click on "Hint" to find out the next correct part.