Как решить уравнения: |х-3|=2; и |х+5|=7; - №12598520

Как решить уравнения: |х-3|=2; и |х+5|=7;
- Предмет:
  Математика
- Автор:
  makenna
- 6 лет назад

Ответы 1

$|x-3|=2 \\ \\x-3=2\\x=2+3\\x=5\\ \\ x-3=-2\\x=-2+3\\x=1\\\\ \\ \\ x=1,x=5$ $|x+5|=7\\\\x+5=7\\x=7-5\\x=2\\\\x+5=-7\\x=-7-5\\x=-12\\\\\\x=-12,x=2$
- Автор:
  calvin
- 6 лет назад
- 0
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