Question

$\sqrt{x + 2} = 1$

Answer 1

$\mathtt{\sqrt{x+2} = 1} \\ \mathtt{(\sqrt{x+2})^2 = 1^2}} \\ \mathtt{x + 2 = 1} \\ \mathtt{x = 1 -2} \\ \mathtt{x = -1} \\ \\ \\ \boxed{\boxed{\mathtt{Resposta: x = -1}}}$