smockdog7 smockdog7

14-10-2017
Mathematics

contestada

x+2y=23
5x+10y=55
solve please

Respuesta :

14-10-2017

X+2y=23
X=-2y +23
Plug this in for x in the second equation

5(-2y + 23) + 10y = 55
-10y + 115 + 10y = 55

The -10y + 10y cancel out, so there is no solution

Hope this helps!

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