240/x -2400/3x =202400/x -2400/3x =20

来源：学生作业帮助网编辑：作业帮时间：2024/05/09 22:02:16

240/x -2400/3x =202400/x -2400/3x =20
240/x -2400/3x =20
2400/x -2400/3x =20

240/x -2400/3x =202400/x -2400/3x =20
2400/x -2400/3x =20
2400/x -800/x =20
1600/x=20
x=1600÷20
x=80