Math, asked by Adarshwalmiki, 4 months ago

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

Answers

Answered by bagkakali

4

Answer:

49x-57y=172

57x-49y=252

subtracting,

49x-57x-57y+49y=172-252

=> -8x-8y= -80

=> -8(x+y)= -80

=> x+y= -80/-8

=> x+y=10

so,

x+y=10

Answered by mahiya474

1

Answer:

ok take your time and thanks ok

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