estheradura005 estheradura005

11-10-2020
Mathematics

contestada

2x-y=8
3x+y=17, usingelemination method solve

Respuesta :

supriya81 supriya81

11-10-2020

The given equations are;
2x-y=8......(i)
3x+y=17......(ii)
Adding equation (i) and (ii), we get
5x=25 ( as +y and -y is canceled out during addition)
Hence x=5
Now
Substituting the value of x in equation (i)
2x5-y=8
10-y=8
Hence y=2

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