Given that
4 is added to twice a number
The result when one number is added to another is called "Addition"
Let the number be x
Twice the number, x, is
[tex]2\times x=2x[/tex]4 is added to twice a number, x, can be expressed below as
[tex]2x+4[/tex]Hence, the algebraic expression of "4 is added to twice a number, x", is 2x+4