Math, asked by saimaq694, 2 months ago

9. If 12x + 17y = 48 and 17x + 12y =
68 then what is the value of x - y
? *
Ο Ο Ο Ο
-6

Answers

Answered by akankshadhumal250

0

Step-by-step explanation:

12x+17y=48---------(1)

17x+12y=68-------(2)

(2)-(1)

17x+12y=68

- 12x+17y=48

-. -. -

------------------------

5x-5y= 20

divide by 5

x-y=4

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