makeupgoat makeupgoat

07-02-2018
Mathematics

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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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