What must be added to (2x – 3y) to get (x – 2y)?
- 5y - x
-
y - x
- x - 5x
- x - y
The correct answer is: B
Explanation
What must be added to 2x - 3y = Difference between x - 2y and 2x - 3y
x - 2y - 2y - (2x - 3y); x - 2y - 2x + 3y
= x - 2x + 3y - 2y
= y - x