Ответ:
-15; 1
Пошаговое объяснение:
2|х+7|-5 = 11
2|x+7| = 11+5
2|x+7| = 16
|x+7| = 16:2
|x+7| = 8
x+7 = 8 и x+7 = -8
x = 8-7 x = -8-7
x₁ = 1 x₂=-15
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Ответ:
-15; 1
Пошаговое объяснение:
2|х+7|-5 = 11
2|x+7| = 11+5
2|x+7| = 16
|x+7| = 16:2
|x+7| = 8
x+7 = 8 и x+7 = -8
x = 8-7 x = -8-7
x₁ = 1 x₂=-15