若|5x+2y-12|+(3x+2y-6)(3x+2y-6)=0,则2x+4y=
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若|5x+2y-12|+(3x+2y-6)(3x+2y-6)=0,则2x+4y=
![若|5x+2y-12|+(3x+2y-6)(3x+2y-6)=0,则2x+4y=](/uploads/image/z/8820550-46-0.jpg?t=%E8%8B%A5%7C5x%2B2y-12%7C%2B%EF%BC%883x%2B2y-6%EF%BC%89%EF%BC%883x%2B2y-6%EF%BC%89%3D0%2C%E5%88%992x%2B4y%3D)
|5x+2y-12|+(3x+2y-6)(3x+2y-6)=0
|5x+2y-12|=0、3x+2y-6=0
∴5X+2Y=12、3X+2Y=6
解得,X=3,Y=-3/2
则2x+4y=6-6=0.
|5x+2y-12|=0、3x+2y-6=0
∴5X+2Y=12、3X+2Y=6
解得,X=3,Y=-3/2
则2x+4y=6-6=0.
若3x-5y=0,则x+y/x=(),x-y/y=(),2x-3y/2x+3y=( )
若(x-y)/(x+y)=3 则(x+2y)/(6x-7y)等于
若|5x+2y-12|+(3x+2y-6)(3x+2y-6)=0,则2x+4y=
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若5x+3y=3x+4y=x+2y+6,则x+y=___
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{(x+y)/2+(x-y)/3=6 4(x+y)-3(x-y)=-20
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