Question

15x+17y=21,‌ 17x+15=11 find x+y​

Answer 1

Your question is incorrect.

Answer 2

Answer:

x + y = 1

Step-by-step explanation:

15x + 17y = 21......(1)

17x + 15y = 11........(2)

adding equation (1) & (2)

15x + 17y = 21

+ 17x + 15y = 11

32x + 32y = 32.....(3)

dividing equation (3) by 32 we get,

x + y = 1

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