Question

Please let me know solution ​

Answer 1

Since the two matrices are given to be equal and equivalent
Thus, corresponding elements will be equal to each other.
Therefore,
x-y = -1
2x-y = 0
Therefore,
solving these two equations , we get
x = 1 and y = 2

So,
x + y = 1+2 = 3

Hope this helps you !

Answer 2

Answer:

$he needs to play 559 more games$