Answer:[tex]\displaystyle =9x-5[/tex]Step-by-step explanation:[tex]\displaystyle 4x-6+5x+1[/tex]Group like terms.[tex]\displaystyle 4x-6+5x+1[/tex]Add the numbers from left to right.[tex]4+5=9[/tex][tex]9x-6+1[/tex]Add and subtract numbers from left to right to find the answer.[tex]6-1=5[/tex]It change to postive to negative sign.[tex]\displaystyle=9x-5[/tex], which is our answer.