penyelesaian dri |x+1| =1 adalah

Bab Nilai Mutlak
Matematika SMA Kelas X

|x + 1| = 1

x + 1 = 1
x = 1 - 1
x = 0

x + 1 = -1
x = -1 - 1
x= -2

HP = {-2. 0}

|x+1|= 1
x+1 = 1
x= 1-1
x=0

bukti
|x+1|=1
|0+1|=1
|1|=1
1=1