已知X除3-Y除4=3X+2Y-75=3,求x,y的值?

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已知X除3-Y除4=3X+2Y-75=3,求x,y的值?已知X除3-Y除4=3X+2Y-75=3,求x,y的值?已知X除3-Y除4=3X+2Y-75=3,求x,y的值?1)4=[x/(3-y)]/4,

已知X除3-Y除4=3X+2Y-75=3,求x,y的值?
已知X除3-Y除4=3X+2Y-75=3,求x,y的值?

已知X除3-Y除4=3X+2Y-75=3,求x,y的值?
1)4=[x/(3-y)]/4,12=x/(3-y),12(3x-y)=x,36x-12y=x,35x=12y
2)4=3x+2y-75,79=3x+2y,2y=79-3x,12y=684-18x,由1)得684-18x=35x,x=684/53.y=57/53