146p/대표유형8(1)y=-5x+7(2)y=2x-4(3)y=2/3x-2/확인9(1)y=-3x+5(2)1/2x+7/2(3)y=-3/2x-3/대표유형9(1)y=7x-7(2)y=3/4x+3/확인10.y=3/2x+3/147p/1(1)y=-1/3x+1/3
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