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Mathematics, 03.07.2019 18:40 favre22fs

The equation 9+12m=6+15(m-1) models the following situation: movie-rental company a charges a sign-up fee of $9 plus $12 per month, and company b charges $6 for the first month plus $15 per month after that. at a certain number of months, the cost of the two companies is equal. which equation is a simplified version of the one above?

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The equation 9+12m=6+15(m-1) models the following situation: movie-rental company a charges a sign-...
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