Ronerese Ronerese

17-05-2018
Mathematics

contestada

how to solve and graph these (system of equations) (plz show work!):

2x-y=1
x+y=2

Respuesta :

alyssafortune33 alyssafortune33

17-05-2018

That should be the way you do it.

Ver imagen alyssafortune33

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BangtanBoysScout BangtanBoysScout

17-05-2018

You multiply -2 to x+y=2 then you can combine the Like terms then you plug the answer to any equation

Answer: (1,1)

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X+2y+z=4 2x-y+4z =-8 -3x+y-2z=-1