mgarrett37 mgarrett37

17-04-2018
Mathematics

contestada

4x - 2y = -4
-6x + 6y = 30

Respuesta :

mkryukova19 mkryukova19

17-04-2018

simplify 1st equation
2x-y=-2
simplify second equation
-x+y=5

add both equations
2x-y=-2
-x+y=5
------------
x =3

-x+y=5
-3+y=5
y=8

x=3, y=8

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