Respuesta :

Answer:

do brakets first    *  devide +-   wich evercomes first   then do it then do the 2nd one   then add then you got your awnser hope it helps i tried to help you my plueshure =)

Step-by-step explanation:

Answer:

2b + 9 = ?

Step-by-step explanation:

First you do commutative property, meaning you switch the numbers with ones they correspond to.

(3b-b)+(7+2)=

Then you find the sum/difference.

2b + 9 =

Since b has no number with it, just count it as a one for now. You would then do a one step equation. This would be the equation simplified.