Kunci Jawaban MTKP Kelas X IPA Matematika Minat Latihan 1 Soal Tingkat Mudah no 6

Kunci Jawaban MTKP Kelas X IPA

Latihan 1

Soal Tingkat Mudah

6. 

^{x + 2}√8 = ^{x - 4}√32

Jawaban :

^{x + 2}√8 = ^{x - 4}√32

(8)^{1/(x + 2)} =32^{1/(x - 4)}

(2)^{3/(x + 2)} =2^{5/(x - 4)}

3/(x + 2) = 5/(x - 4)

3 (x - 4) = 5 (x + 2)

3x - 12 = 5x + 10

3x - 5x = 10 + 12

- 2x = 22

x = -11