Answer:
[tex]5b[/tex]
Step-by-step explanation:
[tex]2b+4b-b[/tex]
Just solve this like you would if the b wasn't there
I will write it out as if the b isn't there
[tex]2+4-1[/tex]
[tex]6-1[/tex]
[tex]5[/tex]
Now we multiply b to it
I hope this helps
5b
2b + 4b - b
Combine like terms.
6b - b
