Himpunan penyelesaian dari persamaan |x-1| + |x-3| = 2

★ Harga Mutlak ★


|x-1| + |x-3| = 2

x-1 + x-3 = 2
2x -4 = 2
2x = 6
x = 3

atau

-(x-1) - (x-3) = 2
-2x + 4 = 2
-2x = -2
x = 1


Hp ={1,3}