1/3x+1/4x+2.8=x

来源:学生作业帮助网 编辑:六六作业网 时间:2024/08/29 14:36:54
1/3x+1/4x+2.8=x1/3x+1/4x+2.8=x1/3x+1/4x+2.8=x1/3x+1/4x+2.8=xx-1/3x-1/4x=2.8x-4/12x-3/12x=2.85/12x=14

1/3x+1/4x+2.8=x
1/3x+1/4x+2.8=x

1/3x+1/4x+2.8=x
1/3x+1/4x+2.8=x
x-1/3x-1/4x=2.8
x-4/12x-3/12x=2.8
5/12x=14/5
x=14/5x12/5
x=168/25

先移向
x-1/3x-1/4x=2.8
x-4/12x-3/12x=2.8
5/12x=14/5
x=14/5x12/5
x=168/25
希望对你有帮助~

x-1/3x-1/4x=2.8
5/12x=2.8
x=168/25=6.72