abatiqueofficial
abatiqueofficial abatiqueofficial
  • 10-02-2021
  • Mathematics
contestada

232. Сколько решений имеет уравнение | х + 3 | -один?

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SvetlanaM
SvetlanaM SvetlanaM
  • 18-02-2021

Answer: уравнение имеет 2 решения:

              x₁ = - 4;    x₂ = - 2.

Step-by-step explanation:

Ix + 3I = 1

1) x + 3 = 1

  x + 3 - 3 = 1 - 3

  x = -2

2) - (x + 3) = 1

   x + 3 = - 1

   x + 3 - 3 = - 1 - 3

   x = - 4

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