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Messiah Whitney
Mathematics
24 August, 05:25
The average of 8 and x = 3. What is x?
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)
Erica
24 August, 05:44
0
x = - 2
Step-by-step explanation:
The average of 8 and x
(8+x) / 2
is 3
(8+x) / 2 = 3
Multiply each side by 2
(8+x) / 2 * 2 = 3*2
8+x = 6
Subtract 8 from each side
8+x-8 = 6-8
x = - 2
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