Math, asked by snehadasarwad, 8 days ago

15x+17y =21 ; 17x + 15y = 11 the find value of x+y.

Answers

Answered by rgaliveeti

1

Answer:

3

Step-by-step explanation:

255x+289y=357

-255x-225y=-165

------------------------

0+64y=192

y=192/64

y=3

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