12x+13y=29 ,13×+12y=21
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Verified 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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Answer:
Solution is in the attachment..Payal
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