|x + 3| + 4 = 9
|x + 3| = 9 - 4
|x + 3| = 5
x + 3 = 5
x = 5 - 3
x₁ = 2
x + 3 = - 5
x = - 5 - 3
x₂ = - 8
|x + 3| + 4 = 9
|x + 3| = 9 - 4
|x + 3| = 5
x + 3 = 5
x = 5 - 3
x₁ = 2
x + 3 = - 5
x = - 5 - 3
x₂ = - 8