makeupgoat
makeupgoat
07-02-2018
Mathematics
contestada
bx-6y=18 and 2x-3y=9
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dannielle
dannielle
07-02-2018
x - 6y=18
2x-3y=9 |*-2
x -6y=18
-4x+6y=-18
----------------
-3x=0,
x=0
2x-3y=9
2*0-3y=9
-3y=9, y=-9/3
, y= -3
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