2/3X+7=5/6x X=?

问题描述:

2/3X+7=5/6x X=?

2/3X+7=5/6x
7=5/6x -2/3x
7=1/6x
1/6x=7
x=42

2/3 x+7=5/6 x
2/3 x-5/6 x=-7
-1/6 x=-7
x=(-7)÷(-1/6)
x=42

5/6x-2/3x=7
1/6x=7
x=7÷1/6
x=42

2/3X+7=5/6x
(2/3 -5/6)x=-7
-1/6 x=-7
x=42