ANSWER
[tex]18[/tex]EXPLANATION
Let the number be x.
The sum of 4 and the number is 22.
This means that:
[tex]x+4=22[/tex]Solve for x by subtracting 4 from both sides of the equation:
[tex]\begin{gathered} x+4-4=22-4 \\ x=18 \end{gathered}[/tex]The number is 18.
