Jawab:
nilai mutlak
Penjelasan dengan langkah-langkah:
| 4 - ²/₅ x | - 7= 13
| 4 - ²/₅ x | = 13 + 7
| 4 - ²/₅ x | = 20
.
i) 4 - ²/₅ x = 20 ..kalikan 5
20 - 2x = 100
-2x = 80
x = - 40
ii) 4 - ²/₅ x = -20 ...kalikan 5
20 - 2x = - 100
-2x = -120
x = 60
..
HP { - 40 , 60 }
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Jawab:
nilai mutlak
Penjelasan dengan langkah-langkah:
| 4 - ²/₅ x | - 7= 13
| 4 - ²/₅ x | = 13 + 7
| 4 - ²/₅ x | = 20
.
i) 4 - ²/₅ x = 20 ..kalikan 5
20 - 2x = 100
-2x = 80
x = - 40
ii) 4 - ²/₅ x = -20 ...kalikan 5
20 - 2x = - 100
-2x = -120
x = 60
..
HP { - 40 , 60 }