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प्रश्न
If 49x + 51y = 499, 51x + 49y = 501, then find the value of x and y.
बेरीज
उत्तर
Adding the two equations and dividing by 10, we get: x + y = 10
Subtracting the two equations and dividing by –2, we get: x – y = 1
Solving these two new equations, we get, x = `11/2`
y = `9/2`
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