Question

o dobro de um numero diminuido de 4 e igual a esse numero aumentado , qual e esse numero

Answer 1

   2  x  -  4  =   x  +  1
 
     2x  - x  =  1  +  4

            x  =   5

Answer 2

$\Large\displaystyle\begin{gathered} \sf{2x-4=x+1 } \end{gathered}$

$\Large\displaystyle\begin{gathered} \sf{ 2x-x=1+4} \end{gathered}$

$\Large\displaystyle\text{ \begin{gathered} \boxed{\boxed{\sf{x=5} } }\end{gathered} }$