Answer:
4x - 4y
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
5x - 5y -x -y
4x -4y
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