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18-03-2019
Mathematics

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The sum of 2 numbers is 38 and their difference is 18 find the integers

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Kamikazeminem Kamikazeminem

18-03-2019

[tex]Let\: x,y\: be\: the\: 2\: numbers\: (x,y>0)\\Without\: losing\: generality,let's\: assume\: x>y, we\: have:\\\begin{cases} x+y=38\\ x-y=18\end{cases}\Leftrightarrow \begin{cases} x=20\\ y=18\end{cases}\\\Rightarrow The\: 2\: intergers\: are\: 20\: and\: 18 [/tex]

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