3 xy+5yz, 2xy-2yz, 4xy+5yz
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Question 1:Add the following:(i) 3x and 7x(ii) −5xy and 9xyANSWER:We have
Question 1:Add the following:(i) 3x and 7x(ii) −5xy and 9xyANSWER:We have(i) 3x + 7x = (3 + 7)x = 10x
Question 1:Add the following:(i) 3x and 7x(ii) −5xy and 9xyANSWER:We have(i) 3x + 7x = (3 + 7)x = 10x(ii) -5xy + 9xy = ( -5 + 9)xy = 4xy
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