Math, asked by krisharawal, 2 days ago

If 50 1X +40 9Y is equal to 150 and 40 9X +50 1Y is equal to 50 then value of X - Y is

Answers

Answered by neelammodi824

0

Add equations (1) and (2),

7x+9y+9x+7y=42+22

16x+16y=64

16(x+y)=64

x+y= 64

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