Ответ:
( 7 19/23 + x)-6_5/23=3_8/23
180/23+x-143/23=77/23
37/23+x=77/23 ;x=77/23-37/23;
x=40/23=1_17/23.*********
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Ответ:
( 7 19/23 + x)-6_5/23=3_8/23
180/23+x-143/23=77/23
37/23+x=77/23 ;x=77/23-37/23;
x=40/23=1_17/23.*********