Question 1167059
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A number:  *[tex \Large x]


Twice a number:  *[tex \Large 2x]


Seven decreased by twice a number *[tex \Large 7\ -\ 2x]


Is: *[tex \Large =]


Three:  *[tex \Large 3]


Put it all together:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ 7\ -\ 2x\ =\ 3]


By the way, your answer to number 2 is incorrect.

																
John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
My calculator said it, I believe it, that settles it
*[illustration darwinfish]


I > Ø
*[tex \Large \ \
*[tex \LARGE \ \ \ \ \ \ \ \ \ \  
								
{{n}\choose{r}}
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