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anonymous
 5 years ago
5[75(6r)]7=7[5(7r6)+4]50 what is the solution r ?
anonymous
 5 years ago
5[75(6r)]7=7[5(7r6)+4]50 what is the solution r ?

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shadowfiend
 5 years ago
Best ResponseYou've already chosen the best response.0You can distribute each multiplication in turn to create a final expression that you can solve. For example, 5(6 r) will be 30  5r. Then you have 5(7  (30  5r)), which is 5(7  30 + 5r), which is 5(5r  23). Then you distribute the 5. You can do the same on the other side of the equals and then solve for r the normal way.
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