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प्रश्न
If 12x + 17y = 53 and 17x + 12y = 63 then find the value of ( x + y)
उत्तर
The given pair of equations is
12x + 17y = 53 ……..(i)
17x + 12y = 63 …….(ii)
Adding (i) and (ii), we get
29x + 29y = 116
⇒ x + y = 4 (Dividing by 4)
Hence, the value of x + y is 4.
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