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Write and solve an equation to find the value of the variable. 5.2, 8.3, 8.5, 7.7, 7.8, y; mean = 7.1
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Write and solve an equation to find the value of the variable.

5.2, 8.3, 8.5, 7.7, 7.8, y; mean = 7.1

User Mrg Gek
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I'm sure the answer is 7.1 X 6 - (5.2 + 8.3 + 8.5 + 7.7 + 7.8) = 5.1

User Webofmars
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