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Mathematics 7 Online
OpenStudy (kitty626oldrose):

fan and medal!! -3/4x+3/4=12) 4--> -3x+3y=48 1/2x+2/3y=6) 6--> +3x+4y=36 7y=84 y=12 -3/4x+3/4 (12)=12 -3/4x9+12 (-4/3) -3/4x=3 (-4/3) x=4 = (-4,12) how did my teacher get this

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