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kelas 10
| 5x-6|-4= 10
|5×-6|= 10+4
| 5x-6|=14 maka diubah menjadi 2 yaitu
5x-6= 14 dan
5x-6=-14
1 cari
5x-6= 14
5x=14+6
5x= 20
x= 4
2. cari
5x-6=-14
5x= -14+6
5x= -8
x= -8:5
x= - 1 3/5
maka jawabannya {4,- 1 3/5}= B