Question

Solve for b.
r=9(b+1)

Answer 1

b=r-9/9

Explanation:

First you do the distributive property...

r=9b+9

then you subtract the 9

r-9=9b

then you divide the 9

r-9/9=b

and because of the symetry property you can flip it...

b=r-9/9