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cek lagi ya takut salah
bagian a)
Maka :
12 - 2x = 5
- 2x = 5 - 12
- 2x = -7
x = 7/2
bagian b)
maka :
x - 6 = 6 - 2x
x + 2x = 6 + 6
3x = 12
x = 12/3
x = 4 ✔
bagian c)
Maka :
2x + 6 = x + 5
2x - x = 5 - 6
x = -1 ✔
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• Kelas : IX
• Mapel : Matematika
• Kategori : akar dan pangkat
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