Math, asked by trupti2786, 13 hours ago

in a linear equation if 15 x + 17 y =31 and 17 x + 15y = 21 find the value of (x-y)

Answers

Answered by mrithikasree2008

1

Answer:

Hence, the value (x-y) is -5

Step-by-step explanation:

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Attachments:

Answered by thenmozhibang

2

Answer:

x-y=-5

Step-by-step explanation:

15x+17y=31

17x+15y=21

-2x+2y=10

-2y(x-y)=10

x-y=-5

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