作业帮解方程18X+2/3X*8=2870 x-（1/4x+7）-[2/5（x-1/4x-7）+2]=5/18x
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/12 11:50:48
![解方程18X+2/3X*8=2870 x-（1/4x+7）-[2/5（x-1/4x-7）+2]=5/18x](/uploads/image/z/374046-6-6.jpg?t=%E8%A7%A3%E6%96%B9%E7%A8%8B18X%2B2%2F3X%2A8%3D2870+x-%EF%BC%881%2F4x%2B7%EF%BC%89-%5B2%2F5%EF%BC%88x-1%2F4x-7%EF%BC%89%2B2%5D%3D5%2F18x)
解方程18X+2/3X*8=2870 x-（1/4x+7）-[2/5（x-1/4x-7）+2]=5/18x
解方程18X+2/3X*8=2870 x-（1/4x+7）-[2/5（x-1/4x-7）+2]=5/18x
解方程18X+2/3X*8=2870 x-（1/4x+7）-[2/5（x-1/4x-7）+2]=5/18x
18X+2/3X*8=2870
70/3x=2870
x=2870*3/70
x=123
x-（1/4x+7）-[2/5（x-1/4x-7）+2]=5/18x
x-1/4x-7-2/5(x-1/4x-7)-2=5/18x
3/5(3/4x-7)-2=5/18x
9/20x-21/5-2=5/18x
81/180x-50/180x=31/5
31/180x=31/5
x=31/5*180/31
x=36