求适合2X+Y⼀3=X+3Y⼀5=1的X和Y的值

2025-01-02 12:13:36
推荐回答(1个)
回答1:

2X+Y/3=1 (1)
X+3Y/5=1 (2)
(2)*2-(1),得Y=15/13代入(2)
X=1-3/5*(15/13)=4/13
所以X=4/13,Y=15/13