2/3X+X=60方程

问题描述:

2/3X+X=60
方程

2/3X+X=60两边同乘3得:
2x+3X=180;所以X=36

(2/3+1)x=60
5/3x=60
x=36

2/3X+X=60
5/3X=60
X=36

5/3X=60
X=36

2/3X+X=60
解2/3x+3/3x=60
5/3x=60
x=36

X=36