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Solve: 23x + 29y = 98, 29x + 23y = 110.

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The given equations are as follows: 

23x + 29y = 98 ………….(i) 

29x + 23y = 110 …………(ii) 

On adding (i) and (ii), we get: 

52x + 52y = 208 

⇒ x + y = 4 …………(iii) 

On subtracting (i) from (ii), we get: 

6x – 6y = 12 

⇒ x – y = 2 …………(iv) 

On adding (iii) and (iv), we get: 

2x = 6 ⇒ x = 3 

On substituting x = 3 in (iii), we get: 

3 + y = 4 

⇒ y = 4 – 3 = 1 

Hence, the required solution is x = 3 and y = 1.

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