Question

x - y\<8 if and only if y-8<x<y+S​

Answer 1

Answer:

x+2y=8 , Given x,y are natural numbers , which implies x,y>0

If y=1 , we get x=6

If y=2 , we get x=4

If y=3 , we get x=2

For y≥4 , x wont be a natural number

So the range of R is {1,2,3}

Answer 2

Answer:

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