Find the value of x if the arithmetic mean of 3 and 3x+5 is 8?

Sargturner asked Sep 7, 2022

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Sargturner asked Sep 7, 2022

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18 votes

Answer:

Explanation:

3x+5=8

Group like terms

3x=8-5

3x=3

Divide both side by the co-efficient of x which is 3

3x/3=3/3

x=1

DavSanchez answered Sep 14, 2022

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