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tatiyna
3 years ago
15

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

Mathematics
1 answer:
telo118 [61]3 years ago
4 0

Answer:

b=r-9/9

Step-by-step 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

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