amandagailragsdale amandagailragsdale

19-01-2020
Mathematics

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dirk sold 7 more than 2 times as many gym memberships this month than last month. the month he sold 43 memberships. how many memberships did he sell last month?

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texaschic101 texaschic101

19-01-2020

Answer:

Step-by-step explanation:

x = last month

y = this month

y = 2x + 7

y = 43

43 = 2x + 7

43 - 7 = 2x

36 = 2x

36/2 = x

18 = x <== he sold 18 gym memberships last month

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