Respuesta :

We start with

[tex]\sqrt{2x+4}=16[/tex]

Since both sides of the equality are positive, we can square them to get

[tex]2x+4=256[/tex]

Subtract 4 from both sides and then divide both sides by 2:

[tex]2x+4=256 \iff 2x=252\iff x=126[/tex]

Answer:

x=126

Step-by-step explanation: