4 x +5y +7 +( -5x-y-3) + 3x-3y+2
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Step-by-step explanation:
4x+5y+7-5x-y-3+3x-3y+2
4x+3x-5x+5y-3y-y+7+2-3
7x-5x+5y-2y+9-3
2x+3y+6