Question

Tìm x thuộc N biết         200 - ( 2x + 6 ) = 4^3

Answer 1

 200 - ( 2x + 6 ) = 4^3

 200 - ( 2x + 6 ) = 64

( 2x + 6 )=200-64

( 2x + 6 )=136

2x=136-6

2x=130

x=130/2

x=65

 

Answer 2

Ta có: \(200-\left(2x+6\right)=4^3\)

\(\Leftrightarrow2x+6=136\)

hay x=65