Question

3^x+1=9^x

tìm X

Answer 1

3^x+1=9^x=(3²)^x=3^2x

=>x+1=2x

=>2x-x=1=>x=1

Answer 2

3^x+1 = 9^x

3^x+1 = 3^2x

x + 1 = 2x

2x  - x = 1

x = 1 

Answer 3

3^x+1= 9 ^ x

=> 3 ^ x + 1 = 3^ 2 * x 

=> x + 1 = 2 * x

=> 2 * x - x = 1

=> x = 1

vậy x = 1

tick mk nha

Answer 4

3^x+1=9^x

3^x+1=3^2^x

x+1=2x

2x-x=1

=>x=1

tick nha