Westonci.ca makes finding answers easy, with a community of experts ready to provide you with the information you seek. Discover a wealth of knowledge from professionals across various disciplines on our user-friendly Q&A platform. Get precise and detailed answers to your questions from a knowledgeable community of experts on our Q&A platform.

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

Sagot :

we can write an equation with the condition so:

[tex]7+x=2x[/tex]

and we can solve for x so:

[tex]\begin{gathered} 7=2x-x \\ 7=x \end{gathered}[/tex]

So the unknow number is 7