when 7 is added to an unknown number the result is twice the unknown number.what is the unknown number??

MickJ asked Nov 12, 2023

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MickJ asked Nov 12, 2023

by MickJ

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16 votes

we can write an equation with the condition so:

and we can solve for x so:

$\begin{gathered} 7=2x-x \\ 7=x \end{gathered}$

So the unknow number is 7

Fuzzybear answered Nov 18, 2023

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