It is (-5,3) it is because cd parallel to ab so y is 3 for a and d and -5 for a and b
Step-by-step explanation:
To solve this, you either need x or y. So x or y can be the missing values. The most you can do is simply move one of the terms to the other side.
It would be: 289*24/100 = 6936/100 = 69.36