(1 per 27) pangkar -3x+5 = 3 pangkat 2x+6

Matematika Peminatan
Persamaan Eksponen X SMA

Pembahasan :
(1/27)^(-3x + 5) = 3^(2x + 6)
(3¯³)^(-3x + 5) = 3^(2x + 6)
3^(9x - 15) = 3^(2x + 6)
9x - 15 = 2x + 6
9x - 2x = 6 + 15
7x = 21
x = 3

Hp : {3}

(1/27)^ (-3x + 5) = 3^(2x + 6)
3^3(-3x + 5) = 3^(2x + 6)
3(-3x + 5) = 2x + 6
-9x - 2x = 6 - 15
x = 9/11