5x - 5y -x -y
4x -4y
Answer:
4x - 4y
Step-by-step explanation:
5(x - y) - (x - y)
hence:
5* (x - y ) = 5x - 5y
5x - 5y - (x - y)
- (x - y) = -x + y ( this is because (- )* (-) =( +) )
5x -x -5y + y
= 4x - 4y
