ciaraberger ciaraberger
  • 23-03-2019
  • Mathematics
contestada

Find two numbers, if Their sum is −7 and their difference is 14


PLZ HELP




thanks

Respuesta :

WardahD
WardahD WardahD
  • 23-03-2019

let those numbers be x and y

According to your question

x + y = -7

x - y =14

adding both equations

2x = 7

or x = 7/2

substitute value of x in either equation

y = -21/2

So,

x= 7/2

y=-21/2

Hope this helps!

Thanks

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