Amayahnw Amayahnw

16-02-2018
Mathematics

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the sum of the digits of a certain teo digit number is 11. reversing its digits decreases the number by 63. whats the number

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harpazo harpazo

16-02-2018

Let x and y be the digits.

x + y = 11
y + x = - 63

Take it from here. We have a system of linear equations in two variables.

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