|x+2|=|x+1| Bagaimana cara mengerjakanya?

|x + 2| = |x + 1|
(x + 2)² = (x + 1)²
x² + 4x + 4 = x² + 2x + 1
2x = -3
x = -3/2

|x + 2| = |x + 1|
(x + 2)² = (x + 1)²
x² + 4x + 4 = x² + 2x + 1
x² + 4x + 4 - x² - 2x = x² + 2x + 1 - x² - 2x
2x + 4 = 1
2x + 4 - 4 = 1 - 4
2x = - 3
2x(½) = -3(½)
x = - 3/2