Nilai x yang memenuhi persamaan 3|2x-7|-5=4 adalah

Bab Nilai Mutlak
Matematika SMA Kelas X

3 |2x – 7| – 5 = 4
3 |2x – 7| = 4 + 5
|2x – 7| = 9/3
|2x – 7| = 3

2x – 7 = 3
2x = 7 + 3
x = 10/2
x = 5

2x – 7 = -3
2x = 7 – 3
x = 4/2
x = 2

HP = { 2, 5 }