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-3≤x-4+2 i x-4+2≤3
-x≤3-4+2 i x≤4-2+3
-x≤1 /:(-1) i x≤5
x≥-1 i x≤5
xE <1;5>
b)|x-2|+2≤5
-5≤x-2+2 i x-2+2≤5
-x≤5-2+2 i x≤2-2+5
-x≤5/:(-1) i x≤5
x≥-5 i x≤5
xE <-5;5>