-6х 0,5х +9 -4,5х -8
-3х+9-4,5х -8
-7,5х +9-8
-7,5х+1
7,5 Х 2/3=3
Ответ:3
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-6х 0,5х +9 -4,5х -8
-3х+9-4,5х -8
-7,5х +9-8
-7,5х+1
7,5 Х 2/3=3
Ответ:3
-7,5*(2/3)-1=-(15/2)*(2/3)-1=6