来自李亚斌的问题
(2014•内江)已知实数x、y满足2x-3y=4,并且x≥-1,y<2,现有k=x-y,则k的取值范围是______.
(2014•内江)已知实数x、y满足2x-3y=4,并且x≥-1,y<2,现有k=x-y,则k的取值范围是______.
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2020-12-10 12:08
(2014•内江)已知实数x、y满足2x-3y=4,并且x≥-1,y<2,现有k=x-y,则k的取值范围是______.
(2014•内江)已知实数x、y满足2x-3y=4,并且x≥-1,y<2,现有k=x-y,则k的取值范围是______.
∵2x-3y=4,
∴y=13