Решите неравенства и запишите множество их решении
1) 4х +1| < 7;
2) 2x + 3 = 4;
(3) Ix +1] < 2, 5;
0) 2x – 5 = 3;
1) 4х +1| < 7;
2) 2x + 3 = 4;
(3) Ix +1] < 2, 5;
0) 2x – 5 = 3;
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Answers & Comments
0) 2х-5=3
2х=5+3
2х=8
х=8:2
х=4
Проверка:2•4-5=3
Ответ:4.