Ответ:
1/6y-(0,5+8/9y)=1/9y-(1/3+y)
1/6y-0,5-8/9y=1/9y-1/3-y
6/36y-0,5-32/36y=1/9y-1/3-y
-26/36y-0,5= -8/9y-1/3
-26/36y+8/9y=0,5-1,3
-26/36y+32/36y= -0,8
6/36y= -0,8
y= -0,8: 6/36
y= -8/10* 36/6
y= -288/60
y= -4,8
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Ответ:
1/6y-(0,5+8/9y)=1/9y-(1/3+y)
1/6y-0,5-8/9y=1/9y-1/3-y
6/36y-0,5-32/36y=1/9y-1/3-y
-26/36y-0,5= -8/9y-1/3
-26/36y+8/9y=0,5-1,3
-26/36y+32/36y= -0,8
6/36y= -0,8
y= -0,8: 6/36
y= -8/10* 36/6
y= -288/60
y= -4,8