1) -4<1-х<5
1-х
х=1
-4<1<5 (Ложно)
2) -1 ≤ 5 - 3x ≤ 1
5-3х
3х=5
х=5/3
х=1,(6)
-1 ≤ 1,(6) ≤ 1 (Истинно)
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Answers & Comments
1) -4<1-х<5
1-х
х=1
-4<1<5 (Ложно)
2) -1 ≤ 5 - 3x ≤ 1
5-3х
3х=5
х=5/3
х=1,(6)
-1 ≤ 1,(6) ≤ 1 (Истинно)