Answer :

brittanycandace
they are basically like groups. Take -3x+2x , Just do -3 +2 = -1 and then just add the x. So -1x. Next you have -5y+10y . Just do -5 + 10 = 5 and remember to add the x on so your final answer should be -1x + 5y 
Kaylabear
combine -3 and 2 so id be -x and combine -5 and 10 so id be 5y so the answer would be -x + 5y

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