Saturday

March 28, 2015

March 28, 2015

Posted by **sma** on Sunday, February 18, 2007 at 8:12pm.

Here is how you would write that:

7 < 2x +5 < 11

You can subtract 5 from each term and divide each term by 2 while keeping the < signs in the same direction. This results in

2 < 2x < 6, and then

1 < x < 3

What symbols are used for the phrases

at least

no less than

no greater than

Thank you

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