﹛6x+8y=55.8 ①
﹛3x+8y=30.3 ②
① - ② 得,3x = 25.5
x =8.5
把x = 8.5代入 ①中得,
51+8y=55.8
8y=4.8
y=0.6
答：x =8.5,y =0.6
希望能够对你有所帮助……