4) Use your knowledge of number properties to fill in the blanks in the proof below. (4 points).
Prove that
2x+2(x-y)-3x+3y=x+y.
Statement
2x+2(x-y)-3x+3y
2x+2x-2y-3x+3y
2x+2x-3x-2y+3y
(2x+2x-3x)+(-2y+3y)
x+y
Reason
Given
