2.8x+0.5x=6.9+0.3

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/18 00:17:11
2.8x+0.5x=6.9+0.32.8x+0.5x=6.9+0.32.8x+0.5x=6.9+0.32.8x+0.5x=6.9+0.33.3x=7.2x=7.2÷3.3x=2又11分之23.3x=7

2.8x+0.5x=6.9+0.3
2.8x+0.5x=6.9+0.3

2.8x+0.5x=6.9+0.3
2.8x+0.5x=6.9+0.3
3.3x=7.2
x=7.2÷3.3
x=2又11分之2

3.3x=7.2
x=11分之24