Combine like terms to make a equivalent expression to -4r-2r+5 help very much appreciated

For this case we must simplify the following expression:
[tex]-4r-2r + 5[/tex]
We add similar terms taking into account that:
So:
[tex]-6r + 5[/tex]
Thus, the simplified expression is:
[tex]-6r + 5[/tex]
Answer:
[tex]-6r + 5[/tex]