lizzie1234561 lizzie1234561

23-01-2017
Mathematics

contestada

8x + 5y = 24

y= -4x

what's X and what's y???!!!

Respuesta :

23-01-2017

Plug y=-4x into the first equation:
8x+5(-4x)=24
-12x=24
x=-2
y=-4(-2)=8

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