Номер 1155
1) 7 + |х| = –2
|х| = –2 –7
|х| = –9
немає розв’язків
2)|х| – 9 = –5
|х| = –5 + 9
|х| = 4
х = 4 або х = –4
3) 8 – |х| = –2
|х| = 8 –(–2)
|х| = 8 + 2)
|х| = 10
х = 10 або х = –10
1) 7 + |х| = –2
|х| = –2 –7
|х| = –9
немає розв’язків
2)|х| – 9 = –5
|х| = –5 + 9
|х| = 4
х = 4 або х = –4
3) 8 – |х| = –2
|х| = 8 –(–2)
|х| = 8 + 2)
|х| = 10
х = 10 або х = –10