Ответ:
73/10-(29/10-x)=13/10
73/10-29/10+x=13/10
22/5+x=13/10
x=13/10-22/5
x=-31/10 ; 3 1/10 ; -3,1
11/12+x-7/12=17/12
1/3+x=17/12
x=17/12-1/3
x=13/12 ; 1 1/12
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Ответ:
73/10-(29/10-x)=13/10
73/10-29/10+x=13/10
22/5+x=13/10
x=13/10-22/5
x=-31/10 ; 3 1/10 ; -3,1
11/12+x-7/12=17/12
1/3+x=17/12
x=17/12-1/3
x=13/12 ; 1 1/12