Math, asked by nileshvarma691, 3 months ago

If 49x - 57y = 172 and 57x - 49 = 252 then x + y = ?

Answers

Answered by patelbhoomi0990

3

49x-57y=172

57x-49y=252

__-__+____-_____

-8x-8y =- 80

x+y =80/8

x+y =10

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