mathishard5656 mathishard5656

16-01-2017
Mathematics

contestada

7x+2y=5. -x-6y =8 solving linear systems using multiplication and addition show your work

Respuesta :

16-01-2017

3(7x+2y)=15,21x+6y+(-x-6y)=15+8,20x=23,x=23/20,

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