Answer:
[tex]2x + 6[/tex]
Step-by-step explanation:
[tex]7 - (2x + 1) + 4x[/tex]
Distribute the negative inside 2x+1
[tex]7 - 2x - 1 + 4x[/tex]
Remind that negative multiply negative must equal positive.
variables cannot sum/add/subtract with constants.
They must be the same terms.
[tex]4x - 2x - 1 + 7 \\ 2x + 6[/tex]
Therefore, our answer is 2x+6
