1)8x-(3x-2y)-5y=8x-3x+2y-5y=5x-3y
2)7x+3y-(-3x+3y)=7x+3y+3x-3y=10x
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1)8x-(3x-2y)-5y=8x-3x+2y-5y=5x-3y
2)7x+3y-(-3x+3y)=7x+3y+3x-3y=10x