Find the mean of 2x-1, 2x +1, 2x+3, 2x+5, 2x+7
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Mean = sum of the numbers
total numbers
= 2x-1 + 2x +1 + 2x+3 + 2x+5 + 2x+7
5
= 10x + 15
5
= 5(2x + 3)
5
= 2x + 3
Mean = 2x + 3
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