Question

o dobro de um número,diminuido de 4,é igual a esse aumentado de um.
qual e esse número

Answer 1

2x -4 = x + 1
2x - x = 1 + 4
x = 5

Answer 2

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

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

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