|2x-3y+1|+(5x-2y-3)²=0已知|2x-3y+1|²+5x-2y-3）=0,求x,y的值_数学解答

|2x-3y+1|+(5x-2y-3)²=0
已知|2x-3y+1|²+5x-2y-3）=0,求x,y的值

人气：413 ℃　时间：2020-05-19 04:39:23

解答

|2x-3y+1|+(5x-2y-3)²=0
2x-3y+1=0
2x-3y=-1
5x-2y-3=0
5x-2y=3
4x-6y=-2
15x-6y=9
11x=11
x=1
y=1