SOLUTION: What are the elements of this set? A={x:10<2x<20} Does the x need to be multiplied to 2?

SOLUTION: What are the elements of this set? A={x:10<2x<20} Does the x need to be multiplied to 2?

Algebra.Com

Question 765674: What are the elements of this set?
A={x:10<2x<20}
Does the x need to be multiplied to 2?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
No, the set-builder notation indicates you want the set
to contain the x values; the 2x inequality is the Rule
That Rule implies 5< x <10
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Cheers,
Stan H.
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