Question

I need better understanding of simplifying if I could simplify this 2x + 5 = 13 how would it be done? and why?

Answer 1

$\begin{gathered} 2x+5=13 \\ \text{subtract 5 from both sides} \\ 2x+5-5=13-5 \\ 2x=8 \\ x=\frac{8}{2} \\ x=4 \end{gathered}$