riveraj15 riveraj15

24-06-2016
Mathematics

contestada

Solve by the elimination method. Show your work
2x – 5y = 1
3x – 4y = -2

Respuesta :

24-06-2016

Hello,

2x-5y=1 |3|4
3x-4y=-2|-2|-5
------------------------

-7y=7 ==>y=-1
-7x=14==>x=-2

sol={(-2,-1)}

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