x-2/7x-(2/7x-12)=48怎么算

分类: 作业答案 • 2022-07-16 16:38:48

问题描述：

答

X-2/7X-2/7X+12=48
3/7X=36
X=84

答

x-2/7x-(2/7x-12)=48
x-4/7x=36
3/7x=36
x=84

答

x-2/7x-(2/7x-12)=48
x-2/7x-2/7x+12=48
x-4/7x=48-12
3/7x=36
3x=36*7
3x=252
x=84

答

x-2/7x-(2/7x-12)=48
x-2/7x-2/7x+12=48
x-4/7x=48-12
3/7x=36
3x=36*7
x=84