Question

2 elevado
x+3-2^x-2^x-1=26

Answer 1

2^x+3 -2^x -2^x-1=26

2^x.2³ -2^x -2^x.2^-¹=26

2^x.( 2³ -1 -2-¹)=26

2^x.(8-1-1/2)=26

2^x.(7-1/2)=26

2^x.(14-1/2)=26

2^x.(13/2)=26

2^x. 13= 26×2

2^x .13=52

2^x= 52/13

2^x= 4

2^x=2²

x=2

S={ 2 }