Question

2^x=16 ; 3^x+1=9^x 

Answer 1

2^x = 16 = 2⁴

x =4

3^x+1 = 9^x = 3^2x

x+1 = 2x

x = 1

Answer 2

2^x=16

Mà: 2.2.2.2=16

=>2⁴=16

=> x=4

3^x+1=9^x

=>3x+1=3^2.x

=>x+1=2x

=>x=1

Answer 3

2^x=16

Mà: 2.2.2.2=16

=>2⁴=16

=> x=4

3^x+1=9^x

=>3x+1=3^2.x

=>x+1=2x

=>x=1

Answer 4

2^x=16

Mà: 2.2.2.2=16

=>2⁴=16

=> x=4

3^x+1=9^x

=>3x+1=3^2.x

=>x+1=2x

=>x=1

Answer 5

2^x=16 ; 3^x+1=9^x 

2^x=16

Mà: 2.2.2.2=16

=>2⁴=16

=> x=4

3^x+1=9^x

=>3x+1=3^2.x

=>x+1=2x

=>x=1