Science, asked by sonakshi9255, 2 months ago

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

Answers

Answered by singhpoonam72537

1

Answer:

If we add both equations then we get

106x+106y=424

106(x+y)=424

x+y=424÷106

then

x+y=4

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