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12 x+13y=60;13x+12y=40 . solve the equation by simultaneous equation. |
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Answer» ong>Answer: The given equations are 12x+13Y=29…(i) 13x+12y=21…(ii) ADD (i) and (ii), we get 12x + 13y =29 13x + 12y =21 ------------------- 25x + 25Y =50 25(x+y) = 50 x + y = 2 |
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