SOLUTION: can you show me how to solve this proportion? 7/9 = b/b-10
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Question 516728: can you show me how to solve this proportion? 7/9 = b/b-10
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
cross multiply
7(b-10)=9b
7b-70=9b
+70
7b=9b+70
-9b
+7b-9b=70
-2b=70
/-2
b=-35
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