Предмет: Математика, автор: Аноним

Розв’яжіть рівняння ||x| + 2| = 7. Даю 100 балов! Срочно!!!++

DuanaVolkova: ага написала/ написал даю 100 балов а даёшь 5

Ответы

Автор ответа: utniklt792

0

Ответ:

$| |x| + 2 | = 7 \\ |x| + 2 = 7 \\ |x| = 7 - 2 \\ |x| = 5 \\ \\ x { \\ }^{1} = 5 \\ x { }^{2} = - 5 \\$

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