If x is zero, is the following true?
7x  12 < 5x  4 < 2x + 17
In the back of your books write down at least 10 values of x which satisfy this inequality statement.
"<" means "is less than"
Today a student disagreed with me about which way round the greaterthan sign was. She said let's Google it. This was the result! #mathschat #mathchat #mathsCPDchat #fakenews I love teaching Maths  we had a laugh! pic.twitter.com/EYDz1zRAPw
— Transum (@Transum) March 15, 2018
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7x  12 < 5x  4 2x < 8 x < 4 
5x  4 < 2x + 17 3x < 21 x < 7 
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