Quiz
Tentukan nilai x dari 2⁴ˣ⁺¹⁴ = 64ˣ⁺²
Jawaban:
- Materi : Eksponen
- Kelas : 9
- Kode soal : 2
- Kode kategorisasi : 9.2.1
Kata kunci : Eksponen
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2⁴ˣ⁺¹⁴ = 64ˣ⁺²
2⁴ˣ⁺¹⁴ = (2⁶)ˣ⁺²
2⁴ˣ⁺¹⁴ = 2⁶ˣ⁺²
6x + 12 = 4x + 14
4x – 6x = 12 – 14
-2x = -2
x = -2/-2
x = 2/2
x = 1
Jawab:
x = 1
Langkah-langkah:
2^4x+14 = 64^x+2
2^4x+14 = (2^6)^x+2
2^4x+14 = 2^6x+12
4x + 14 = 6x + 12
14 – 12 = 6x – 4x
2x = 2
x = 1