Ответ:
1) -4<x+3<4
-4-3<x<4-3
-7<x<1
2)-2<x-1<2
-2+1<x<2+1
-1<x<3
3) -8<5+x<8
-7-5<x<8-5
-12<x<-3
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Ответ:
1) -4<x+3<4
-4-3<x<4-3
-7<x<1
2)-2<x-1<2
-2+1<x<2+1
-1<x<3
3) -8<5+x<8
-7-5<x<8-5
-12<x<-3