1.

Cross multiplication 3x+4y=10 , 2x-2y=2​

Answer»

Answer:

3x+4y=10/2x-2y=2

(3x+4y)2=10(2x-2y)

6x+8y = 20x-20y

8y+20y = 20x+6x

28y = 26x

xy = 26/28



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