asked 172k views
0 votes
232. Сколько решений имеет уравнение | х + 3 | -один?

1 Answer

13 votes

Answer: уравнение имеет 2 решения:

x₁ = - 4; x₂ = - 2.

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

answered
User Rednaxel
by
7.9k points
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.