{2x+3y=3 4x-y-13=0

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/19 12:39:25
{2x+3y=3 4x-y-13=0
x){wQqInMR>v ;

{2x+3y=3 4x-y-13=0
{2x+3y=3 4x-y-13=0

{2x+3y=3 4x-y-13=0
2x+3y=3,即3y=3-2x,y=(3-2x)/3=1-2/3x
4x-y-13=0,即y=4x-13
1-2/3x=4x-13,得出x=3
代入y=4x-13=-1
所以x=3,y=-1