Question

4(x + 1) =12 resolva a equaçao

Answer 1

$\Large\boxed{\begin{array}{l}\sf4\cdot(x+1)=12\\\sf isolemos~x+1,"passando''\\\sf para~o~outro~lado~o~n\acute umero~4\\\sf na~forma~de~divis\tilde ao:\\\sf x+1=\dfrac{12}{4}\\\sf x+1=3\\\sf "passemos" o~1~para~o~outro~lado~subtraindo:\\\sf x=3-1\\\sf x=2\end{array}}$