1/3×(X-168)=1/7×X怎么解
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/28 06:10:10
![1/3×(X-168)=1/7×X怎么解](/uploads/image/z/14415997-13-7.jpg?t=1%2F3%C3%97%28X-168%29%3D1%2F7%C3%97X%E6%80%8E%E4%B9%88%E8%A7%A3)
1/3×(X-168)=1/7×X怎么解
1/3×(X-168)=1/7×X怎么解
1/3×(X-168)=1/7×X怎么解
两边同时除以1/3,得出X-168=3/7X,那么X-3/7X=168,4/7X=168,得出X=294
1/3×(X-168)=1/7×X
1/3X -56 =1/7X
1/3X -1/7X =56
4/21X =56
X=294