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What is the answer the proprtion m+12/9m=5/9

User AFK
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1 Answer

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(m + 12) / 9m = 5 / 9
cross multiply
(5)(9m) = 9(m + 12)
45m = 9m + 108
45m - 9m = 108
36m = 108
m = 108/36
m = 3 <==
User Jcal
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