Question

The sum of twice a number and five is 11 . find the number?

Answer 1

Let the number be represented by x

`2x+5=11`

Now, solve x

`\begin{gathered} 2x=11-5 \\ 2x=6 \\ divide\text{ both sides by 2} \\ (2x)/(2)=(6)/(2) \\ \\ x=3 \end{gathered}`

The final answer

The number is 3

`x=3`