Question

3+×=0
qual o resultado final​

Answer 1

→ Cálculo :

$\\{{\boxed{\begin{array}{lr}{3+x=0} \\ \\{x=0-3}\\\\\boxed{\red{ x=-3 }} \\ \\{\rm{O \ valor \ de \ X \ ={\boxed{\red{-3}}}}}\end{array}}}}$