1)0.5x+1>0; 0.5x>-1; x>-2
1<0.5x+1; 0.5x>0; x>0
0.5x+1≤3; 0.5x≤2; x≤4
x={1;2;3;4}
2)0.5x+1<0; 0.5x<-1; x<-2
1<-0.5x-1; 0.5x<-2; x<-4
-0.5x-1≤3; -4≤0.5x; -8≤x
x={-8;-7;-6;-5]
Общий ответ x={-8;-7;-6;-5;1;2;3;4)
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1)0.5x+1>0; 0.5x>-1; x>-2
1<0.5x+1; 0.5x>0; x>0
0.5x+1≤3; 0.5x≤2; x≤4
x={1;2;3;4}
2)0.5x+1<0; 0.5x<-1; x<-2
1<-0.5x-1; 0.5x<-2; x<-4
-0.5x-1≤3; -4≤0.5x; -8≤x
x={-8;-7;-6;-5]
Общий ответ x={-8;-7;-6;-5;1;2;3;4)