已知实数x,y满足根号3x-5y+1+|x-3y+3|=0,求3/2x-y/2的值

已知实数x,y满足根号3x-5y+1+|x-3y+3|=0,求3/2x-y/2的值
已知实数x,y满足根号3x-5y+1+|x-3y+3|=0,求3/2x-y/2的值

已知实数x,y满足根号3x-5y+1+|x-3y+3|=0,求3/2x-y/2的值
3x-5y+1=0
x-3y+3=0
解得：x=3,y=2
故原式=-1/2