Question

Translate the sentence into an equation Twice the difference of a number and 9 is equal to 5use the variable w for the unknown number

Answer 1

Let w the unknown number. Then, you have

$\begin{gathered} 2(w-9)\rightarrow\text{ Twice the difference of a number and 9} \\ 2(w-9)=5\rightarrow\text{Twice the difference of a number and 9 is equal to 5} \end{gathered}$