Решите уравнение (во вложении)
2х₁-5=2 2х₁=5+2 х₁=7:2=3,5 2х₂-5=-2 2х₂=-2+5 х₂=3:2=1,5
|2x - 5| = 2 2x - 5 = ± 2 2x - 5 = 2 2x = 2 + 5 2x = 7 x = 7/2 = 3 1/2 2x - 5 = -2 2x = -2 + 5 2x = 3 x = 3/2 = 1 1/2