Tiff7859
28.03.2020 •
Mathematics
The average of 16 and x is 3. Find x.
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Ответ:
x = - 10
Step-by-step explanation:
Average is calculated as
average =
, thus
Multiply both sides by 3 to clear the fraction
19 + x = 9 ( subtract 19 from both sides )
x = - 10
Ответ:
a
Step-by-step explanation: