Question

2 numbers added gives 11 and the same number subracted gives 5​

Answer 1

Answer:

x+y=11. case2

x-y=5. or y-x=5

case1,

2x=16

x=8,y=3

case2,

2y=16

y=8,x=3

Answer 2

Answer:

What numbers when added give you 8 and 13 and when subtracted give you 6?

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Your question is in three parts, so I’ll answer them separately:

What numbers when added give you 8? There are 22 ways to do this, using positive whole numbers. Examples: 6+2, 4+4, 1+2+5, 2+3+3

What numbers when added give you 13? There are 101 ways of doing this, using positive whole numbers. Examples: 5+8, 2+5+6, 1+2+3+3+4, 6+7

What numbers when subtracted give you 6? 10–4, 13–7, 21–15, 128–122, 1300–1294 (and a googol to a googol power more)