Question

Nilai x dr harga mutlak I 3 - 2x I kurang dari = 5 adalah

Answer 1

Verified answer

|3-2x| ≤ 5
☞ 3-2x ≤ 5
-2x ≤ 5-3
-2x ≤ 2
x ≥ -1
☞ -(3-2x) ≤ 5
-3+2x ≤ 5
2x ≤ 5+3
2x ≤ 8
x ≤ 8/2
x ≤ 4

HP : {-1 ≤ X ≤ 4}