SOLUTION: I need help with this proportion I have 9 other problems like this 7/9=b/b-10

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Question 811544: I need help with this proportion I have 9 other problems like this
7/9=b/b-10
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
I need help with this proportion I have 9 other problems like this
If you mean:
7/9=b/(b-10)
Cross multiply
7*(b-10) = 9b
7b-70 = 9b
-70 = 2b
b = -35