nilai x yang memenuhi persamaan 3 ^ 2 x + 4 = 9^3x-4

Question

Matematika Diposting : 2017-11-23 Diupdate : 2022-08-25 ameeng01

Pertanyaan

Answer 1

3^(2x+4)=3^2(3x-4)
2x-4=6x-8
12=4x
x=3

Answer 2

3^(2x + 4) = 9^(3x - 4)
3^(2x + 4) = 3^2(3x - 4)
2x + 4 = 2(3x - 4)
2x + 4 = 6x - 8
6x - 2x = 8 + 4
4x = 12
x = 3