Question

A solução da equação abaixo é:
$\sqrt{x + 4 = 4}$
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Answer 1

$\large\large\boxed{\begin{array}{l}\rm A~soluc_{\!\!,}\tilde ao~da~equac_{\!\!,}\tilde ao~\sqrt{x+4}=4~\acute e:\\\underline{\rm soluc_{\!\!,}\tilde ao\!:}\\\sf \sqrt{x+4}=4\\\sf(\sqrt{x+4})^2=4^2\\\sf x+4=16\\\sf x=16-4\\\sf x=12\\\sf S=\{12\}\end{array}}$