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What is the 2 numbers of 19 and the diffrence is 1 |
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Answer» Answer: So first we are told TWO numbers add to 19: a+b=19 ---(1) And they subtract to 5: a−b=5 ---(2) These are two simultaneous EQUATION and can be SOLVED by elimination: (1) + (2): (a+b) + (a−b) = 19 + 5 2a= 24 a=12 In (1): 12+b=19 b=7 So the two numbers are 12 and 7. |
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