Question

If 13x + 15y = 41 and 15x + 13y = 43. then find the value of ( x + y ) = ?​

Answer 1

Step-by-step explanation of Answer:

13x+15y=41

195x+225y=615 (multiplying eq-1 with 15)

15x+13y=43

195x+169y=559(multiplying eq-2 with 13)

by elimination method

225y-169y=56

56y=56

y=1

x=41-15/13 (from eq-1)

y=26/13=2

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Answer 2

Answer:

जर 13x + 15y = 41 आणि 15x + 13y = 43 असल्यास x + y ची किंमत किती आहे? *