Multiply : ( 13 x + 12 y ) ( 9 x - 8 y)
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2x - 3y = 12 ----- (II) Add (I) and (II) 7x = 21 x = 3 ... (3) 2x – 3y = 9; 2x + y = 13 ... Point of intersection of the two lines is (8, 4).
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