Question

${2}^{x} + {2}^{3x} = 16$
what is the value of x?
(note : no useless comments or you will be reported strictly)​

Answer 1

Step-by-step explanation:

2^x+2^3x =16

2^x+2^3x= 2^4

x+3x=4

4x =4

x=4/4

x=1

hope it helps u..