{2x+y-18=0,3x-2y-10=0

问题描述:

{2x+y-18=0,3x-2y-10=0

2x+y-18=0,4x +2y - 36 =0
3x-2y-10=0
7x = 46 x = 46/7
y = 18 - 92/7 = 34/ 7