If x is zero, is the following true?
6x  5 < 3x + 1 < 16
In the back of your books write down at least 10 values of x which satisfy this inequality statement.
"<" means "is less than"
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When x is zero the statement is true.
Here are ten values of x which make the statement true:
1, 0, 1, 2, 3, 4, 5, 6, 7, 8,
there are of course many other values which make the statement true.
An inequality like this can be solved by splitting it into two parts:
6x  5 < 3x + 1 3x < 6 x < 2 
3x + 1 < 16 3x < 15 x < 5 
So the complete answer is x < 2
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