chrismajors13 chrismajors13

25-01-2017
Mathematics

contestada

5x+y=9
3x-y=7. How do I solve this using elimination?

Respuesta :

25-01-2017

You should combine all
8x+y-y=9+7
8x=16
X=2
If you want find y
3*2-y=7
Y=-1

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