{9x-11y +1 =0 4x-5y-3=0

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/05 16:45:47

{9x-11y +1 =0 4x-5y-3=0
{9x-11y +1 =0 4x-5y-3=0

{9x-11y +1 =0 4x-5y-3=0
36x-44y+4=0
36x-45y-27=0
y=-31
x=-38