Ответ:
3/11+(2/3X-1/3)=12/11
3/11+2/3x-1/3=12/11
-2/33+2/3x=12/11
-2+22x=36
22x=36+2
22x=38
x=19/11,x= 1 8/11
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Ответ:
3/11+(2/3X-1/3)=12/11
3/11+2/3x-1/3=12/11
-2/33+2/3x=12/11
-2+22x=36
22x=36+2
22x=38
x=19/11,x= 1 8/11